76902465996881 has 6 divisors (see below), whose sum is σ = 89457970649490. Its totient is φ = 65916399425856.

The previous prime is 76902465996847. The next prime is 76902465996911. The reversal of 76902465996881 is 18869956420967.

It can be written as a sum of positive squares in only one way, i.e., 41342520934225 + 35559945062656 = 6429815^2 + 5963216^2 .

It is not a de Polignac number, because 76902465996881 - 2³⁴ = 76885286127697 is a prime.

It is a super-2 number, since 2×76902465996881² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 76902465996796 and 76902465996805.

It is not an unprimeable number, because it can be changed into a prime (76902465996781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 784719040736 + ... + 784719040833.

It is an arithmetic number, because the mean of its divisors is an integer number (14909661774915).

Almost surely, 2^{76902465996881} is an apocalyptic number.

It is an amenable number.

76902465996881 is a deficient number, since it is larger than the sum of its proper divisors (12555504652609).

76902465996881 is a wasteful number, since it uses less digits than its factorization.

76902465996881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569438081583 (or 1569438081576 counting only the distinct ones).

The product of its (nonzero) digits is 2821754880, while the sum is 80.

The spelling of 76902465996881 in words is "seventy-six trillion, nine hundred two billion, four hundred sixty-five million, nine hundred ninety-six thousand, eight hundred eighty-one".