79550880 has 144 divisors (see below), whose sum is σ = 259731360. Its totient is φ = 20460544.

The previous prime is 79550873. The next prime is 79550881. The reversal of 79550880 is 8805597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79550881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1348291 + ... + 1348349.

It is an arithmetic number, because the mean of its divisors is an integer number (1803690).

Almost surely, 2^79550880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79550880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129865680).

79550880 is an abundant number, since it is smaller than the sum of its proper divisors (180180480).

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

79550880 is a wasteful number, since it uses less digits than its factorization.

79550880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The square root of 79550880 is about 8919.1300024162. The cubic root of 79550880 is about 430.0790912746.

It can be divided in two parts, 795 and 50880, that multiplied together give a square (40449600 = 6360²).

The spelling of 79550880 in words is "seventy-nine million, five hundred fifty thousand, eight hundred eighty".