79535880 has 48 divisors (see below), whose sum is σ = 258492780. Its totient is φ = 21209472.

The previous prime is 79535861. The next prime is 79535899. The reversal of 79535880 is 8853597.

It is an interprime number because it is at equal distance from previous prime (79535861) and next prime (79535899).

It can be written as a sum of positive squares in 2 ways, for example, as 78110244 + 1425636 = 8838^2 + 1194^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110107 + ... + 110826.

Almost surely, 2^79535880 is an apocalyptic number.

It is an amenable number.

79535880 is an abundant number, since it is smaller than the sum of its proper divisors (178956900).

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

79535880 is a wasteful number, since it uses less digits than its factorization.

79535880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220950 (or 220943 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 79535880 is about 8918.2890735836. The cubic root of 79535880 is about 430.0520578762.

The spelling of 79535880 in words is "seventy-nine million, five hundred thirty-five thousand, eight hundred eighty".