79952431 has 8 divisors (see below), whose sum is σ = 86466240. Its totient is φ = 73490592.

The previous prime is 79952423. The next prime is 79952459. The reversal of 79952431 is 13425997.

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

It is a cyclic number.

It is not a de Polignac number, because 79952431 - 2³ = 79952423 is a prime.

It is a super-2 number, since 2×79952431² = 12784782445619522, which 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 (79952401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9760 + ... + 15973.

It is an arithmetic number, because the mean of its divisors is an integer number (10808280).

Almost surely, 2^79952431 is an apocalyptic number.

79952431 is a deficient number, since it is larger than the sum of its proper divisors (6513809).

79952431 is a wasteful number, since it uses less digits than its factorization.

79952431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25985.

The product of its digits is 68040, while the sum is 40.

The square root of 79952431 is about 8941.6123266445. The cubic root of 79952431 is about 430.8015174870.

The spelling of 79952431 in words is "seventy-nine million, nine hundred fifty-two thousand, four hundred thirty-one".