79013213 has 4 divisors (see below), whose sum is σ = 80352480. Its totient is φ = 77673948.

The previous prime is 79013173. The next prime is 79013269. The reversal of 79013213 is 31231097.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79013213 - 2¹⁸ = 78751069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79013293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669545 + ... + 669662.

It is an arithmetic number, because the mean of its divisors is an integer number (20088120).

Almost surely, 2^79013213 is an apocalyptic number.

It is an amenable number.

79013213 is a deficient number, since it is larger than the sum of its proper divisors (1339267).

79013213 is a wasteful number, since it uses less digits than its factorization.

79013213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339266.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 79013213 is about 8888.9376755606. The cubic root of 79013213 is about 429.1079632571.

The spelling of 79013213 in words is "seventy-nine million, thirteen thousand, two hundred thirteen".