875704795681 has 3 divisors (see below), whose sum is σ = 875705731473. Its totient is φ = 875703859890.

The previous prime is 875704795657. The next prime is 875704795741. The reversal of 875704795681 is 186597407578.

The square root of 875704795681 is 935791.

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 is not a de Polignac number, because 875704795681 - 2¹¹ = 875704793633 is a prime.

It is a super-2 number, since 2×875704795681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (875704793681) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 467896 + ... + 1403686.

It is an arithmetic number, because the mean of its divisors is an integer number (291901910491).

Almost surely, 2^875704795681 is an apocalyptic number.

875704795681 is the 935791-st square number.

875704795681 is the 467896-th centered octagonal number.

It is an amenable number.

875704795681 is a deficient number, since it is larger than the sum of its proper divisors (935792).

875704795681 is an frugal number, since it uses more digits than its factorization.

875704795681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871582 (or 935791 counting only the distinct ones).

The product of its (nonzero) digits is 118540800, while the sum is 67.

The spelling of 875704795681 in words is "eight hundred seventy-five billion, seven hundred four million, seven hundred ninety-five thousand, six hundred eighty-one".