76668156831078 has 16 divisors (see below), whose sum is σ = 170373681846960. Its totient is φ = 25556052277008.

The previous prime is 76668156831067. The next prime is 76668156831169. The reversal of 76668156831078 is 87013865186667.

It is a junction number, because it is equal to n+sod(n) for n = 76668156830997 and 76668156831015.

It is a congruent number.

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, 709890340975 + ... + 709890341082.

It is an arithmetic number, because the mean of its divisors is an integer number (10648355115435).

Almost surely, 2^{76668156831078} is an apocalyptic number.

76668156831078 is an abundant number, since it is smaller than the sum of its proper divisors (93705525015882).

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

76668156831078 is a wasteful number, since it uses less digits than its factorization.

76668156831078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419780682068 (or 1419780682062 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 72.

The spelling of 76668156831078 in words is "seventy-six trillion, six hundred sixty-eight billion, one hundred fifty-six million, eight hundred thirty-one thousand, seventy-eight".