79000631 has 2 divisors, whose sum is σ = 79000632. Its totient is φ = 79000630.

The previous prime is 79000619. The next prime is 79000657. The reversal of 79000631 is 13600097.

It is a happy number.

It is an a-pointer prime, because the next prime (79000657) can be obtained adding 79000631 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79000631 - 2⁶ = 79000567 is a prime.

It is a super-2 number, since 2×79000631² = 12482199396796322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79000631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79000601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39500315 + 39500316.

It is an arithmetic number, because the mean of its divisors is an integer number (39500316).

Almost surely, 2^79000631 is an apocalyptic number.

79000631 is a deficient number, since it is larger than the sum of its proper divisors (1).

79000631 is an equidigital number, since it uses as much as digits as its factorization.

79000631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 79000631 is about 8888.2299137680. The cubic root of 79000631 is about 429.0851851132.

The spelling of 79000631 in words is "seventy-nine million, six hundred thirty-one", and thus it is an aban number.