79880652 has 18 divisors (see below), whose sum is σ = 201920628. Its totient is φ = 26626872.

The previous prime is 79880651. The next prime is 79880681. The reversal of 79880652 is 25608897.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 79880598 and 79880607.

It is not an unprimeable number, because it can be changed into a prime (79880651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1109418 + ... + 1109489.

Almost surely, 2^79880652 is an apocalyptic number.

It is an amenable number.

79880652 is an abundant number, since it is smaller than the sum of its proper divisors (122039976).

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

79880652 is a wasteful number, since it uses less digits than its factorization.

79880652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218917 (or 2218912 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 79880652 is about 8937.5976638021. The cubic root of 79880652 is about 430.6725584708.

The spelling of 79880652 in words is "seventy-nine million, eight hundred eighty thousand, six hundred fifty-two".