78883924 has 36 divisors (see below), whose sum is σ = 163009056. Its totient is φ = 33297264.

The previous prime is 78883901. The next prime is 78883943. The reversal of 78883924 is 42938887.

It is a Harshad number since it is a multiple of its sum of digits (49).

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 11 ways as a sum of consecutive naturals, for example, 10129 + ... + 16135.

Almost surely, 2^78883924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78883924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81504528).

78883924 is an abundant number, since it is smaller than the sum of its proper divisors (84125132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78883924 is a wasteful number, since it uses less digits than its factorization.

78883924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092 (or 6083 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 78883924 is about 8881.6622318122. The cubic root of 78883924 is about 428.8737862763.

The spelling of 78883924 in words is "seventy-eight million, eight hundred eighty-three thousand, nine hundred twenty-four".