76509372916 has 12 divisors (see below), whose sum is σ = 141767367588. Its totient is φ = 36004410752.

The previous prime is 76509372887. The next prime is 76509372923. The reversal of 76509372916 is 61927390567.

It can be written as a sum of positive squares in 2 ways, for example, as 35870844816 + 40638528100 = 189396^2 + 201590^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562568851 + ... + 562568986.

It is an arithmetic number, because the mean of its divisors is an integer number (11813947299).

Almost surely, 2^76509372916 is an apocalyptic number.

It is an amenable number.

76509372916 is a deficient number, since it is larger than the sum of its proper divisors (65257994672).

76509372916 is a wasteful number, since it uses less digits than its factorization.

76509372916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125137858 (or 1125137856 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 55.

The spelling of 76509372916 in words is "seventy-six billion, five hundred nine million, three hundred seventy-two thousand, nine hundred sixteen".