79880959 has 8 divisors (see below), whose sum is σ = 84170240. Its totient is φ = 75600216.

The previous prime is 79880953. The next prime is 79880981. The reversal of 79880959 is 95908897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79880959 - 2¹⁵ = 79848191 is a prime.

It is a super-2 number, since 2×79880959² = 12761935221519362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79880953) 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, 28432 + ... + 31114.

It is an arithmetic number, because the mean of its divisors is an integer number (10521280).

Almost surely, 2^79880959 is an apocalyptic number.

79880959 is a deficient number, since it is larger than the sum of its proper divisors (4289281).

79880959 is a wasteful number, since it uses less digits than its factorization.

79880959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The square root of 79880959 is about 8937.6148384231. The cubic root of 79880959 is about 430.6731101952.

The spelling of 79880959 in words is "seventy-nine million, eight hundred eighty thousand, nine hundred fifty-nine".