57670977527881 has 3 divisors (see below), whose sum is σ = 57670985122023. Its totient is φ = 57670969933740.

The previous prime is 57670977527809. The next prime is 57670977527921. The reversal of 57670977527881 is 18872577907675.

The square root of 57670977527881 is 7594141.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 29720934759481 + 27950042768400 = 5451691^2 + 5286780^2 .

It is not a de Polignac number, because 57670977527881 - 2⁹ = 57670977527369 is a prime.

It is a super-2 number, since 2×57670977527881² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57670977527381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3797071 + ... + 11391211.

It is an arithmetic number, because the mean of its divisors is an integer number (19223661707341).

Almost surely, 2^{57670977527881} is an apocalyptic number.

57670977527881 is the 7594141-st square number.

57670977527881 is the 3797071-st centered octagonal number.

It is an amenable number.

57670977527881 is a deficient number, since it is larger than the sum of its proper divisors (7594142).

57670977527881 is an frugal number, since it uses more digits than its factorization.

57670977527881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15188282 (or 7594141 counting only the distinct ones).

The product of its (nonzero) digits is 2904249600, while the sum is 79.

The spelling of 57670977527881 in words is "fifty-seven trillion, six hundred seventy billion, nine hundred seventy-seven million, five hundred twenty-seven thousand, eight hundred eighty-one".