79479923 has 8 divisors (see below), whose sum is σ = 82354800. Its totient is φ = 76614048.

The previous prime is 79479919. The next prime is 79479943. The reversal of 79479923 is 32997497.

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 79479923 - 2² = 79479919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79479943) 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, 19388 + ... + 23126.

It is an arithmetic number, because the mean of its divisors is an integer number (10294350).

Almost surely, 2^79479923 is an apocalyptic number.

79479923 is a deficient number, since it is larger than the sum of its proper divisors (2874877).

79479923 is a wasteful number, since it uses less digits than its factorization.

79479923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501.

The product of its digits is 857304, while the sum is 50.

The square root of 79479923 is about 8915.1513167192. The cubic root of 79479923 is about 429.9511806844.

The spelling of 79479923 in words is "seventy-nine million, four hundred seventy-nine thousand, nine hundred twenty-three".