78753804964 has 24 divisors (see below), whose sum is σ = 138524828288. Its totient is φ = 39175760160.

The previous prime is 78753804917. The next prime is 78753804973. The reversal of 78753804964 is 46940835787.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605077 + ... + 723619.

Almost surely, 2^78753804964 is an apocalyptic number.

It is an amenable number.

78753804964 is a deficient number, since it is larger than the sum of its proper divisors (59771023324).

78753804964 is a wasteful number, since it uses less digits than its factorization.

78753804964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119395 (or 119393 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 78753804964 in words is "seventy-eight billion, seven hundred fifty-three million, eight hundred four thousand, nine hundred sixty-four".