76987936 has 12 divisors (see below), whose sum is σ = 151570062. Its totient is φ = 38493952.

The previous prime is 76987907. The next prime is 76987961. The reversal of 76987936 is 63978967.

It can be written as a sum of positive squares in only one way, i.e., 63297936 + 13690000 = 7956^2 + 3700^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202905 + ... + 1202968.

Almost surely, 2^76987936 is an apocalyptic number.

It is an amenable number.

76987936 is a deficient number, since it is larger than the sum of its proper divisors (74582126).

76987936 is a wasteful number, since it uses less digits than its factorization.

76987936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405883 (or 2405875 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 55.

The square root of 76987936 is about 8774.2769502678. The cubic root of 76987936 is about 425.4098671143.

The spelling of 76987936 in words is "seventy-six million, nine hundred eighty-seven thousand, nine hundred thirty-six".