76064715438 has 64 divisors (see below), whose sum is σ = 162560286720. Its totient is φ = 23675097600.

The previous prime is 76064715383. The next prime is 76064715499. The reversal of 76064715438 is 83451746067.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10088406 + ... + 10095942.

It is an arithmetic number, because the mean of its divisors is an integer number (2540004480).

Almost surely, 2^76064715438 is an apocalyptic number.

76064715438 is an abundant number, since it is smaller than the sum of its proper divisors (86495571282).

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

76064715438 is a wasteful number, since it uses less digits than its factorization.

76064715438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9473.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 76064715438 in words is "seventy-six billion, sixty-four million, seven hundred fifteen thousand, four hundred thirty-eight".