78912088 has 8 divisors (see below), whose sum is σ = 147960180. Its totient is φ = 39456040.

The previous prime is 78912077. The next prime is 78912109. The reversal of 78912088 is 88021987.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4931998 + ... + 4932013.

Almost surely, 2^78912088 is an apocalyptic number.

It is an amenable number.

78912088 is a deficient number, since it is larger than the sum of its proper divisors (69048092).

78912088 is a wasteful number, since it uses less digits than its factorization.

78912088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9864017 (or 9864013 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 78912088 is about 8883.2476043393. The cubic root of 78912088 is about 428.9248206041.

The spelling of 78912088 in words is "seventy-eight million, nine hundred twelve thousand, eighty-eight".