79028664 has 64 divisors (see below), whose sum is σ = 232122240. Its totient is φ = 22104960.

The previous prime is 79028659. The next prime is 79028669. The reversal of 79028664 is 46682097.

It is an interprime number because it is at equal distance from previous prime (79028659) and next prime (79028669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79028669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8082 + ... + 14945.

It is an arithmetic number, because the mean of its divisors is an integer number (3626910).

Almost surely, 2^79028664 is an apocalyptic number.

It is an amenable number.

79028664 is an abundant number, since it is smaller than the sum of its proper divisors (153093576).

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

79028664 is a wasteful number, since it uses less digits than its factorization.

79028664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23060 (or 23056 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 79028664 is about 8889.8067470559. The cubic root of 79028664 is about 429.1359320603.

The spelling of 79028664 in words is "seventy-nine million, twenty-eight thousand, six hundred sixty-four".