78937056 has 72 divisors (see below), whose sum is σ = 244894104. Its totient is φ = 23919360.

The previous prime is 78937009. The next prime is 78937057. The reversal of 78937056 is 65073987.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78937057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9291 + ... + 15626.

It is an arithmetic number, because the mean of its divisors is an integer number (3401307).

Almost surely, 2^78937056 is an apocalyptic number.

It is an amenable number.

78937056 is an abundant number, since it is smaller than the sum of its proper divisors (165957048).

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

78937056 is a wasteful number, since it uses less digits than its factorization.

78937056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24944 (or 24933 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 78937056 is about 8884.6528350859. The cubic root of 78937056 is about 428.9700534951.

The spelling of 78937056 in words is "seventy-eight million, nine hundred thirty-seven thousand, fifty-six".