79391361 has 8 divisors (see below), whose sum is σ = 120977344. Its totient is φ = 45366480.

The previous prime is 79391339. The next prime is 79391437. The reversal of 79391361 is 16319397.

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

It is not a de Polignac number, because 79391361 - 2¹³ = 79383169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79391321) 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 7 ways as a sum of consecutive naturals, for example, 1890250 + ... + 1890291.

It is an arithmetic number, because the mean of its divisors is an integer number (15122168).

Almost surely, 2^79391361 is an apocalyptic number.

It is an amenable number.

79391361 is a deficient number, since it is larger than the sum of its proper divisors (41585983).

79391361 is a wasteful number, since it uses less digits than its factorization.

79391361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780551.

The product of its digits is 30618, while the sum is 39.

The square root of 79391361 is about 8910.1829947538. The cubic root of 79391361 is about 429.7914276022.

The spelling of 79391361 in words is "seventy-nine million, three hundred ninety-one thousand, three hundred sixty-one".