57147576818 has 4 divisors (see below), whose sum is σ = 85721365230. Its totient is φ = 28573788408.

The previous prime is 57147576809. The next prime is 57147576833. The reversal of 57147576818 is 81867574175.

It is a happy number.

57147576818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32687555209 + 24460021609 = 180797^2 + 156397^2 .

It is a super-2 number, since 2×57147576818² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14286894203 + ... + 14286894206.

Almost surely, 2^57147576818 is an apocalyptic number.

57147576818 is a deficient number, since it is larger than the sum of its proper divisors (28573788412).

57147576818 is a wasteful number, since it uses less digits than its factorization.

57147576818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28573788411.

The product of its digits is 13171200, while the sum is 59.

The spelling of 57147576818 in words is "fifty-seven billion, one hundred forty-seven million, five hundred seventy-six thousand, eight hundred eighteen".