79043231 has 4 divisors (see below), whose sum is σ = 79133232. Its totient is φ = 78953232.

The previous prime is 79043227. The next prime is 79043233. The reversal of 79043231 is 13234097.

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 79043231 - 2² = 79043227 is a prime.

It is a super-2 number, since 2×79043231² = 12495664733838722, 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 = 79043194 and 79043203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79043233) 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, 43670 + ... + 45443.

It is an arithmetic number, because the mean of its divisors is an integer number (19783308).

Almost surely, 2^79043231 is an apocalyptic number.

79043231 is a deficient number, since it is larger than the sum of its proper divisors (90001).

79043231 is an equidigital number, since it uses as much as digits as its factorization.

79043231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90000.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 79043231 is about 8890.6260184534. The cubic root of 79043231 is about 429.1622973424.

The spelling of 79043231 in words is "seventy-nine million, forty-three thousand, two hundred thirty-one".