77115920133222 has 24 divisors (see below), whose sum is σ = 167093325930960. Its totient is φ = 25703947894320.

The previous prime is 77115920133193. The next prime is 77115920133223. The reversal of 77115920133222 is 22233102951177.

77115920133222 is a `hidden beast` number, since 7 + 7 + 1 + 1 + 592 + 0 + 1 + 3 + 32 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77115920133223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112884729 + ... + 113565812.

It is an arithmetic number, because the mean of its divisors is an integer number (6962221913790).

Almost surely, 2^{77115920133222} is an apocalyptic number.

77115920133222 is an abundant number, since it is smaller than the sum of its proper divisors (89977405797738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77115920133222 is a wasteful number, since it uses less digits than its factorization.

77115920133222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226469468 (or 226469465 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 77115920133222 in words is "seventy-seven trillion, one hundred fifteen billion, nine hundred twenty million, one hundred thirty-three thousand, two hundred twenty-two".