76885715968 has 88 divisors (see below), whose sum is σ = 162641191680. Its totient is φ = 36252733440.

The previous prime is 76885715957. The next prime is 76885715971. The reversal of 76885715968 is 86951758867.

It is a super-2 number, since 2×76885715968² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76885715897 and 76885715906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649203 + ... + 1695181.

It is an arithmetic number, because the mean of its divisors is an integer number (1848195360).

Almost surely, 2^76885715968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76885715968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81320595840).

76885715968 is an abundant number, since it is smaller than the sum of its proper divisors (85755475712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76885715968 is a wasteful number, since it uses less digits than its factorization.

76885715968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46093 (or 46075 counting only the distinct ones).

The product of its digits is 203212800, while the sum is 70.

The spelling of 76885715968 in words is "seventy-six billion, eight hundred eighty-five million, seven hundred fifteen thousand, nine hundred sixty-eight".