78764036 has 24 divisors (see below), whose sum is σ = 148740480. Its totient is φ = 36279072.

The previous prime is 78764033. The next prime is 78764041. The reversal of 78764036 is 63046787.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 78763984 and 78764002.

It is not an unprimeable number, because it can be changed into a prime (78764033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30965 + ... + 33411.

It is an arithmetic number, because the mean of its divisors is an integer number (6197520).

Almost surely, 2^78764036 is an apocalyptic number.

It is an amenable number.

78764036 is a deficient number, since it is larger than the sum of its proper divisors (69976444).

78764036 is a wasteful number, since it uses less digits than its factorization.

78764036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083 (or 3081 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The square root of 78764036 is about 8874.9104784217. The cubic root of 78764036 is about 428.6564082703.

The spelling of 78764036 in words is "seventy-eight million, seven hundred sixty-four thousand, thirty-six".