79980120331 has 8 divisors (see below), whose sum is σ = 80818545920. Its totient is φ = 79141978368.

The previous prime is 79980120317. The next prime is 79980120343. The reversal of 79980120331 is 13302108997.

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 79980120331 - 2⁵ = 79980120299 is a prime.

It is a super-4 number, since 4×79980120331⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79980120131) 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, 521845 + ... + 657481.

It is an arithmetic number, because the mean of its divisors is an integer number (10102318240).

Almost surely, 2^79980120331 is an apocalyptic number.

79980120331 is a deficient number, since it is larger than the sum of its proper divisors (838425589).

79980120331 is a wasteful number, since it uses less digits than its factorization.

79980120331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141813.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 79980120331 in words is "seventy-nine billion, nine hundred eighty million, one hundred twenty thousand, three hundred thirty-one".