79915118363 has 2 divisors, whose sum is σ = 79915118364. Its totient is φ = 79915118362.

The previous prime is 79915118357. The next prime is 79915118411. The reversal of 79915118363 is 36381151997.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79915118363 - 2⁶ = 79915118299 is a prime.

It is a super-2 number, since 2×79915118363² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (79915118323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39957559181 + 39957559182.

It is an arithmetic number, because the mean of its divisors is an integer number (39957559182).

Almost surely, 2^79915118363 is an apocalyptic number.

79915118363 is a deficient number, since it is larger than the sum of its proper divisors (1).

79915118363 is an equidigital number, since it uses as much as digits as its factorization.

79915118363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 53.

The spelling of 79915118363 in words is "seventy-nine billion, nine hundred fifteen million, one hundred eighteen thousand, three hundred sixty-three".