79130837 has 2 divisors, whose sum is σ = 79130838. Its totient is φ = 79130836.

The previous prime is 79130813. The next prime is 79130851. The reversal of 79130837 is 73803197.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63457156 + 15673681 = 7966^2 + 3959^2 .

It is a cyclic number.

It is not a de Polignac number, because 79130837 - 2¹² = 79126741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79130837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79130897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39565418 + 39565419.

It is an arithmetic number, because the mean of its divisors is an integer number (39565419).

Almost surely, 2^79130837 is an apocalyptic number.

It is an amenable number.

79130837 is a deficient number, since it is larger than the sum of its proper divisors (1).

79130837 is an equidigital number, since it uses as much as digits as its factorization.

79130837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 79130837 is about 8895.5515287137. The cubic root of 79130837 is about 429.3207899810.

The spelling of 79130837 in words is "seventy-nine million, one hundred thirty thousand, eight hundred thirty-seven".