756868868657 has 24 divisors (see below), whose sum is σ = 842178505728. Its totient is φ = 679634413920.

The previous prime is 756868868641. The next prime is 756868868683.

756868868657 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 756868868657 - 2⁴ = 756868868641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (756868868257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3379823 + ... + 3596795.

It is an arithmetic number, because the mean of its divisors is an integer number (35090771072).

Almost surely, 2^756868868657 is an apocalyptic number.

It is an amenable number.

756868868657 is a deficient number, since it is larger than the sum of its proper divisors (85309637071).

756868868657 is a wasteful number, since it uses less digits than its factorization.

756868868657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217349 (or 217338 counting only the distinct ones).

The product of its digits is 6502809600, while the sum is 80.

The spelling of 756868868657 in words is "seven hundred fifty-six billion, eight hundred sixty-eight million, eight hundred sixty-eight thousand, six hundred fifty-seven".