79624631 has 2 divisors, whose sum is σ = 79624632. Its totient is φ = 79624630.

The previous prime is 79624613. The next prime is 79624661. The reversal of 79624631 is 13642697.

Together with previous prime (79624613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79624631 - 2¹⁴ = 79608247 is a prime.

It is a super-2 number, since 2×79624631² = 12680163723772322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79624661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39812315 + 39812316.

It is an arithmetic number, because the mean of its divisors is an integer number (39812316).

Almost surely, 2^79624631 is an apocalyptic number.

79624631 is a deficient number, since it is larger than the sum of its proper divisors (1).

79624631 is an equidigital number, since it uses as much as digits as its factorization.

79624631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 79624631 is about 8923.2634725195. The cubic root of 79624631 is about 430.2119578795.

The spelling of 79624631 in words is "seventy-nine million, six hundred twenty-four thousand, six hundred thirty-one".