79880281 has 8 divisors (see below), whose sum is σ = 87309824. Its totient is φ = 72634320.

The previous prime is 79880261. The next prime is 79880287. The reversal of 79880281 is 18208897.

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 79880281 - 2⁹ = 79879769 is a prime.

It is a super-2 number, since 2×79880281² = 12761718585277922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79880287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44985 + ... + 46726.

It is an arithmetic number, because the mean of its divisors is an integer number (10913728).

Almost surely, 2^79880281 is an apocalyptic number.

It is an amenable number.

79880281 is a deficient number, since it is larger than the sum of its proper divisors (7429543).

79880281 is a wasteful number, since it uses less digits than its factorization.

79880281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91791.

The product of its (nonzero) digits is 64512, while the sum is 43.

The square root of 79880281 is about 8937.5769087600. The cubic root of 79880281 is about 430.6718917271.

The spelling of 79880281 in words is "seventy-nine million, eight hundred eighty thousand, two hundred eighty-one".