79049231 has 4 divisors (see below), whose sum is σ = 79264992. Its totient is φ = 78833472.

The previous prime is 79049219. The next prime is 79049233. The reversal of 79049231 is 13294097.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79049231 is a prime.

It is a super-2 number, since 2×79049231² = 12497561843382722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79049191 and 79049200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79049233) 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 3 ways as a sum of consecutive naturals, for example, 107330 + ... + 108063.

It is an arithmetic number, because the mean of its divisors is an integer number (19816248).

Almost surely, 2^79049231 is an apocalyptic number.

79049231 is a deficient number, since it is larger than the sum of its proper divisors (215761).

79049231 is a wasteful number, since it uses less digits than its factorization.

79049231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215760.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 79049231 is about 8890.9634461064. The cubic root of 79049231 is about 429.1731559937.

The spelling of 79049231 in words is "seventy-nine million, forty-nine thousand, two hundred thirty-one".