79559520 has 48 divisors (see below), whose sum is σ = 250614000. Its totient is φ = 21215744.

The previous prime is 79559483. The next prime is 79559527. The reversal of 79559520 is 2595597.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79559527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82395 + ... + 83354.

It is an arithmetic number, because the mean of its divisors is an integer number (5221125).

Almost surely, 2^79559520 is an apocalyptic number.

It is an amenable number.

79559520 is an abundant number, since it is smaller than the sum of its proper divisors (171054480).

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

79559520 is a wasteful number, since it uses less digits than its factorization.

79559520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165767 (or 165759 counting only the distinct ones).

The product of its (nonzero) digits is 141750, while the sum is 42.

The square root of 79559520 is about 8919.6143414388. The cubic root of 79559520 is about 430.0946609696.

The spelling of 79559520 in words is "seventy-nine million, five hundred fifty-nine thousand, five hundred twenty".