79932767437 has 2 divisors, whose sum is σ = 79932767438. Its totient is φ = 79932767436.

The previous prime is 79932767417. The next prime is 79932767443. The reversal of 79932767437 is 73476723997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67150429956 + 12782337481 = 259134^2 + 113059^2 .

It is a cyclic number.

It is not a de Polignac number, because 79932767437 - 2³¹ = 77785283789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79932767417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39966383718 + 39966383719.

It is an arithmetic number, because the mean of its divisors is an integer number (39966383719).

Almost surely, 2^79932767437 is an apocalyptic number.

It is an amenable number.

79932767437 is a deficient number, since it is larger than the sum of its proper divisors (1).

79932767437 is an equidigital number, since it uses as much as digits as its factorization.

79932767437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84015792, while the sum is 64.

The spelling of 79932767437 in words is "seventy-nine billion, nine hundred thirty-two million, seven hundred sixty-seven thousand, four hundred thirty-seven".