79042211 has 6 divisors (see below), whose sum is σ = 79634412. Its totient is φ = 78454380.

The previous prime is 79042207. The next prime is 79042247. The reversal of 79042211 is 11224097.

It is not a de Polignac number, because 79042211 - 2² = 79042207 is a prime.

It is a super-2 number, since 2×79042211² = 12495342239537042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79002211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17276 + ... + 21366.

It is an arithmetic number, because the mean of its divisors is an integer number (13272402).

Almost surely, 2^79042211 is an apocalyptic number.

79042211 is a deficient number, since it is larger than the sum of its proper divisors (592201).

79042211 is an equidigital number, since it uses as much as digits as its factorization.

79042211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369 (or 4230 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 79042211 is about 8890.5686544787. The cubic root of 79042211 is about 429.1604513171.

The spelling of 79042211 in words is "seventy-nine million, forty-two thousand, two hundred eleven".