78979064 has 32 divisors (see below), whose sum is σ = 155509200. Its totient is φ = 37551360.

The previous prime is 78979057. The next prime is 78979091. The reversal of 78979064 is 46097987.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13004 + ... + 18084.

Almost surely, 2^78979064 is an apocalyptic number.

It is an amenable number.

78979064 is a deficient number, since it is larger than the sum of its proper divisors (76530136).

78979064 is a wasteful number, since it uses less digits than its factorization.

78979064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183 (or 5179 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 78979064 is about 8887.0165972614. The cubic root of 78979064 is about 429.0461351195.

It can be divided in two parts, 7897 and 9064, that added together give a palindrome (16961).

The spelling of 78979064 in words is "seventy-eight million, nine hundred seventy-nine thousand, sixty-four".