79372616839 has 2 divisors, whose sum is σ = 79372616840. Its totient is φ = 79372616838.

The previous prime is 79372616773. The next prime is 79372616863. The reversal of 79372616839 is 93861627397.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79372616839 - 2¹³ = 79372608647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79372616539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39686308419 + 39686308420.

It is an arithmetic number, because the mean of its divisors is an integer number (39686308420).

Almost surely, 2^79372616839 is an apocalyptic number.

79372616839 is a deficient number, since it is larger than the sum of its proper divisors (1).

79372616839 is an equidigital number, since it uses as much as digits as its factorization.

79372616839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20575296, while the sum is 61.

The spelling of 79372616839 in words is "seventy-nine billion, three hundred seventy-two million, six hundred sixteen thousand, eight hundred thirty-nine".