79323631 has 2 divisors, whose sum is σ = 79323632. Its totient is φ = 79323630.

The previous prime is 79323623. The next prime is 79323667. The reversal of 79323631 is 13632397.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79323631 - 2³ = 79323623 is a prime.

It is a super-2 number, since 2×79323631² = 12584476870048322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79323131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39661815 + 39661816.

It is an arithmetic number, because the mean of its divisors is an integer number (39661816).

Almost surely, 2^79323631 is an apocalyptic number.

79323631 is a deficient number, since it is larger than the sum of its proper divisors (1).

79323631 is an equidigital number, since it uses as much as digits as its factorization.

79323631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 34.

The square root of 79323631 is about 8906.3814762225. The cubic root of 79323631 is about 429.6691722545.

The spelling of 79323631 in words is "seventy-nine million, three hundred twenty-three thousand, six hundred thirty-one".