79332409231 has 4 divisors (see below), whose sum is σ = 79341038712. Its totient is φ = 79323779752.

The previous prime is 79332409217. The next prime is 79332409417. The reversal of 79332409231 is 13290423397.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 79332409231 - 2¹¹ = 79332407183 is a prime.

It is a super-2 number, since 2×79332409231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79332109231) 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, 4300936 + ... + 4319341.

It is an arithmetic number, because the mean of its divisors is an integer number (19835259678).

Almost surely, 2^79332409231 is an apocalyptic number.

79332409231 is a deficient number, since it is larger than the sum of its proper divisors (8629481).

79332409231 is an equidigital number, since it uses as much as digits as its factorization.

79332409231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8629480.

The product of its (nonzero) digits is 244944, while the sum is 43.

The spelling of 79332409231 in words is "seventy-nine billion, three hundred thirty-two million, four hundred nine thousand, two hundred thirty-one".