77222537088894 has 12 divisors (see below), whose sum is σ = 167315497025976. Its totient is φ = 25740845696292.

The previous prime is 77222537088869. The next prime is 77222537088959. The reversal of 77222537088894 is 49888073522277.

77222537088894 is a `hidden beast` number, since 7 + 7 + 2 + 2 + 2 + 537 + 0 + 8 + 8 + 89 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2145070474674 + ... + 2145070474709.

It is an arithmetic number, because the mean of its divisors is an integer number (13942958085498).

Almost surely, 2^{77222537088894} is an apocalyptic number.

77222537088894 is an abundant number, since it is smaller than the sum of its proper divisors (90092959937082).

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

77222537088894 is a wasteful number, since it uses less digits than its factorization.

77222537088894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290140949391 (or 4290140949388 counting only the distinct ones).

The product of its (nonzero) digits is 758661120, while the sum is 72.

The spelling of 77222537088894 in words is "seventy-seven trillion, two hundred twenty-two billion, five hundred thirty-seven million, eighty-eight thousand, eight hundred ninety-four".