78988964092 has 24 divisors (see below), whose sum is σ = 140850391136. Its totient is φ = 38751602688.

The previous prime is 78988964083. The next prime is 78988964113. The reversal of 78988964092 is 29046988987.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644448 + ... + 757159.

Almost surely, 2^78988964092 is an apocalyptic number.

It is an amenable number.

78988964092 is a deficient number, since it is larger than the sum of its proper divisors (61861427044).

78988964092 is a wasteful number, since it uses less digits than its factorization.

78988964092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401877 (or 1401875 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 70.

The spelling of 78988964092 in words is "seventy-eight billion, nine hundred eighty-eight million, nine hundred sixty-four thousand, ninety-two".