76918411731 has 16 divisors (see below), whose sum is σ = 117230151168. Its totient is φ = 43945449600.

The previous prime is 76918411723. The next prime is 76918411771. The reversal of 76918411731 is 13711481967.

It is not a de Polignac number, because 76918411731 - 2³ = 76918411723 is a prime.

It is a super-2 number, since 2×76918411731² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76918411771) 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 15 ways as a sum of consecutive naturals, for example, 210150 + ... + 444971.

It is an arithmetic number, because the mean of its divisors is an integer number (7326884448).

Almost surely, 2^76918411731 is an apocalyptic number.

76918411731 is a deficient number, since it is larger than the sum of its proper divisors (40311739437).

76918411731 is a wasteful number, since it uses less digits than its factorization.

76918411731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660722.

The product of its digits is 254016, while the sum is 48.

The spelling of 76918411731 in words is "seventy-six billion, nine hundred eighteen million, four hundred eleven thousand, seven hundred thirty-one".