78808924 has 12 divisors (see below), whose sum is σ = 139205304. Its totient is φ = 39035984.

The previous prime is 78808909. The next prime is 78808943. The reversal of 78808924 is 42980887.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91639 + ... + 92494.

It is an arithmetic number, because the mean of its divisors is an integer number (11600442).

Almost surely, 2^78808924 is an apocalyptic number.

It is an amenable number.

78808924 is a deficient number, since it is larger than the sum of its proper divisors (60396380).

78808924 is a wasteful number, since it uses less digits than its factorization.

78808924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184244 (or 184242 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 78808924 is about 8877.4390451301. The cubic root of 78808924 is about 428.7378239168.

The spelling of 78808924 in words is "seventy-eight million, eight hundred eight thousand, nine hundred twenty-four".