76108083633221 has 4 divisors (see below), whose sum is σ = 76109337761100. Its totient is φ = 76106829505344.

The previous prime is 76108083633199. The next prime is 76108083633229. The reversal of 76108083633221 is 12233638080167.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24557277580900 + 51550806052321 = 4955530^2 + 7179889^2 .

It is a cyclic number.

It is not a de Polignac number, because 76108083633221 - 2²⁶ = 76108016524357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76108083633221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76108083633229) 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 3 ways as a sum of consecutive naturals, for example, 626972906 + ... + 627094283.

It is an arithmetic number, because the mean of its divisors is an integer number (19027334440275).

Almost surely, 2^{76108083633221} is an apocalyptic number.

It is an amenable number.

76108083633221 is a deficient number, since it is larger than the sum of its proper divisors (1254127879).

76108083633221 is a wasteful number, since it uses less digits than its factorization.

76108083633221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254127878.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 76108083633221 in words is "seventy-six trillion, one hundred eight billion, eighty-three million, six hundred thirty-three thousand, two hundred twenty-one".