79179081 has 8 divisors (see below), whose sum is σ = 111782304. Its totient is φ = 49680960.

The previous prime is 79179071. The next prime is 79179083. The reversal of 79179081 is 18097197.

It is a happy number.

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

It is not a de Polignac number, because 79179081 - 2¹⁵ = 79146313 is a prime.

It is a super-2 number, since 2×79179081² = 12538653736009122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79179083) 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, 776215 + ... + 776316.

It is an arithmetic number, because the mean of its divisors is an integer number (13972788).

Almost surely, 2^79179081 is an apocalyptic number.

It is an amenable number.

79179081 is a deficient number, since it is larger than the sum of its proper divisors (32603223).

79179081 is a wasteful number, since it uses less digits than its factorization.

79179081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552551.

The product of its (nonzero) digits is 31752, while the sum is 42.

The square root of 79179081 is about 8898.2628079867. The cubic root of 79179081 is about 429.4080208052.

The spelling of 79179081 in words is "seventy-nine million, one hundred seventy-nine thousand, eighty-one".