79481860311 has 64 divisors (see below), whose sum is σ = 129293936640. Its totient is φ = 42453227520.

The previous prime is 79481860307. The next prime is 79481860321. The reversal of 79481860311 is 11306818497.

It is not a de Polignac number, because 79481860311 - 2² = 79481860307 is a prime.

It is a super-2 number, since 2×79481860311² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79481860321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3832891 + ... + 3853571.

It is an arithmetic number, because the mean of its divisors is an integer number (2020217760).

Almost surely, 2^79481860311 is an apocalyptic number.

79481860311 is a deficient number, since it is larger than the sum of its proper divisors (49812076329).

79481860311 is a wasteful number, since it uses less digits than its factorization.

79481860311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20896.

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 79481860311 in words is "seventy-nine billion, four hundred eighty-one million, eight hundred sixty thousand, three hundred eleven".