79564280 has 16 divisors (see below), whose sum is σ = 179019720. Its totient is φ = 31825696.

The previous prime is 79564271. The next prime is 79564283. The reversal of 79564280 is 8246597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79564283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994514 + ... + 994593.

Almost surely, 2^79564280 is an apocalyptic number.

It is an amenable number.

79564280 is an abundant number, since it is smaller than the sum of its proper divisors (99455440).

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

79564280 is a wasteful number, since it uses less digits than its factorization.

79564280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989118 (or 1989114 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 79564280 is about 8919.8811651277. The cubic root of 79564280 is about 430.1032382367.

The spelling of 79564280 in words is "seventy-nine million, five hundred sixty-four thousand, two hundred eighty".