79587938851 has 2 divisors, whose sum is σ = 79587938852. Its totient is φ = 79587938850.

The previous prime is 79587938827. The next prime is 79587938917. The reversal of 79587938851 is 15883978597.

It is a weak prime.

It is an emirp because it is prime and its reverse (15883978597) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79587938851 - 2¹³ = 79587930659 is a prime.

It is not a weakly prime, because it can be changed into another prime (79587938821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39793969425 + 39793969426.

It is an arithmetic number, because the mean of its divisors is an integer number (39793969426).

Almost surely, 2^79587938851 is an apocalyptic number.

79587938851 is a deficient number, since it is larger than the sum of its proper divisors (1).

79587938851 is an equidigital number, since it uses as much as digits as its factorization.

79587938851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 152409600, while the sum is 70.

The spelling of 79587938851 in words is "seventy-nine billion, five hundred eighty-seven million, nine hundred thirty-eight thousand, eight hundred fifty-one".