79586321 has 4 divisors (see below), whose sum is σ = 79812132. Its totient is φ = 79360512.

The previous prime is 79586317. The next prime is 79586323. The reversal of 79586321 is 12368597.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37075921 + 42510400 = 6089^2 + 6520^2 .

It is a cyclic number.

It is not a de Polignac number, because 79586321 - 2² = 79586317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79586323) 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, 112376 + ... + 113081.

It is an arithmetic number, because the mean of its divisors is an integer number (19953033).

Almost surely, 2^79586321 is an apocalyptic number.

It is an amenable number.

79586321 is a deficient number, since it is larger than the sum of its proper divisors (225811).

79586321 is a wasteful number, since it uses less digits than its factorization.

79586321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225810.

The product of its digits is 90720, while the sum is 41.

The square root of 79586321 is about 8921.1165780972. The cubic root of 79586321 is about 430.1429504888.

The spelling of 79586321 in words is "seventy-nine million, five hundred eighty-six thousand, three hundred twenty-one".