79179011 has 4 divisors (see below), whose sum is σ = 79261032. Its totient is φ = 79096992.

The previous prime is 79179007. The next prime is 79179071. The reversal of 79179011 is 11097197.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11097197 = 19 ⋅584063.

It is a cyclic number.

It is not a de Polignac number, because 79179011 - 2² = 79179007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79179071) 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 3 ways as a sum of consecutive naturals, for example, 39545 + ... + 41498.

It is an arithmetic number, because the mean of its divisors is an integer number (19815258).

Almost surely, 2^79179011 is an apocalyptic number.

79179011 is a deficient number, since it is larger than the sum of its proper divisors (82021).

79179011 is an equidigital number, since it uses as much as digits as its factorization.

79179011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82020.

The product of its (nonzero) digits is 3969, while the sum is 35.

The square root of 79179011 is about 8898.2588746338. The cubic root of 79179011 is about 429.4078942627.

The spelling of 79179011 in words is "seventy-nine million, one hundred seventy-nine thousand, eleven".