75859495857 has 24 divisors (see below), whose sum is σ = 111998989440. Its totient is φ = 49466121120.

The previous prime is 75859495837. The next prime is 75859495867.

75859495857 is a `hidden beast` number, since 7 + 5 + 8 + 59 + 495 + 85 + 7 = 666.

75859495857 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 75859495857 - 2²⁰ = 75858447281 is a prime.

It is a super-2 number, since 2×75859495857² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75859495837) 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, 422494 + ... + 574647.

It is an arithmetic number, because the mean of its divisors is an integer number (4666624560).

Almost surely, 2^75859495857 is an apocalyptic number.

It is an amenable number.

75859495857 is a deficient number, since it is larger than the sum of its proper divisors (36139493583).

75859495857 is a wasteful number, since it uses less digits than its factorization.

75859495857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997333 (or 997330 counting only the distinct ones).

The product of its digits is 635040000, while the sum is 72.

The spelling of 75859495857 in words is "seventy-five billion, eight hundred fifty-nine million, four hundred ninety-five thousand, eight hundred fifty-seven".