76361408820817 has 4 divisors (see below), whose sum is σ = 79681470073920. Its totient is φ = 73041347567716.

The previous prime is 76361408820779. The next prime is 76361408820821. The reversal of 76361408820817 is 71802880416367.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76361408820817 - 2⁷ = 76361408820689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76361408820847) 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 in 3 ways as a sum of consecutive naturals, for example, 1660030626517 + ... + 1660030626562.

It is an arithmetic number, because the mean of its divisors is an integer number (19920367518480).

Almost surely, 2^{76361408820817} is an apocalyptic number.

It is an amenable number.

76361408820817 is a deficient number, since it is larger than the sum of its proper divisors (3320061253103).

76361408820817 is a wasteful number, since it uses less digits than its factorization.

76361408820817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320061253102.

The product of its (nonzero) digits is 21676032, while the sum is 61.

The spelling of 76361408820817 in words is "seventy-six trillion, three hundred sixty-one billion, four hundred eight million, eight hundred twenty thousand, eight hundred seventeen".