76989916 has 18 divisors (see below), whose sum is σ = 135846200. Its totient is φ = 38178360.

The previous prime is 76989911. The next prime is 76989929. The reversal of 76989916 is 61998967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76989911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 247401 + ... + 247711.

Almost surely, 2^76989916 is an apocalyptic number.

It is an amenable number.

76989916 is a deficient number, since it is larger than the sum of its proper divisors (58856284).

76989916 is a wasteful number, since it uses less digits than its factorization.

76989916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825 (or 512 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 55.

The square root of 76989916 is about 8774.3897793522. The cubic root of 76989916 is about 425.4135140247.

The spelling of 76989916 in words is "seventy-six million, nine hundred eighty-nine thousand, nine hundred sixteen".