76890916 has 12 divisors (see below), whose sum is σ = 137098332. Its totient is φ = 37719968.

The previous prime is 76890901. The next prime is 76890917. The reversal of 76890916 is 61909867.

It can be written as a sum of positive squares in 2 ways, for example, as 69889600 + 7001316 = 8360^2 + 2646^2 .

It is not an unprimeable number, because it can be changed into a prime (76890917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181135 + ... + 181558.

It is an arithmetic number, because the mean of its divisors is an integer number (11424861).

Almost surely, 2^76890916 is an apocalyptic number.

It is an amenable number.

76890916 is a deficient number, since it is larger than the sum of its proper divisors (60207416).

76890916 is a wasteful number, since it uses less digits than its factorization.

76890916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362750 (or 362748 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 76890916 is about 8768.7465466850. The cubic root of 76890916 is about 425.2310918538.

The spelling of 76890916 in words is "seventy-six million, eight hundred ninety thousand, nine hundred sixteen".