79222546237 has 2 divisors, whose sum is σ = 79222546238. Its totient is φ = 79222546236.

The previous prime is 79222546211. The next prime is 79222546253. The reversal of 79222546237 is 73264522297.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78105716676 + 1116829561 = 279474^2 + 33419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79222546237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79222546267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39611273118 + 39611273119.

It is an arithmetic number, because the mean of its divisors is an integer number (39611273119).

Almost surely, 2^79222546237 is an apocalyptic number.

It is an amenable number.

79222546237 is a deficient number, since it is larger than the sum of its proper divisors (1).

79222546237 is an equidigital number, since it uses as much as digits as its factorization.

79222546237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 49.

The spelling of 79222546237 in words is "seventy-nine billion, two hundred twenty-two million, five hundred forty-six thousand, two hundred thirty-seven".