77422764213 has 24 divisors (see below), whose sum is σ = 121516212480. Its totient is φ = 47321210880.

The previous prime is 77422764193. The next prime is 77422764253. The reversal of 77422764213 is 31246722477.

77422764213 is a `hidden beast` number, since 7 + 7 + 422 + 7 + 6 + 4 + 213 = 666.

It is not a de Polignac number, because 77422764213 - 2⁹ = 77422763701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77422764253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7297356 + ... + 7307957.

It is an arithmetic number, because the mean of its divisors is an integer number (5063175520).

Almost surely, 2^77422764213 is an apocalyptic number.

It is an amenable number.

77422764213 is a deficient number, since it is larger than the sum of its proper divisors (44093448267).

77422764213 is a wasteful number, since it uses less digits than its factorization.

77422764213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14605369 (or 14605366 counting only the distinct ones).

The product of its digits is 790272, while the sum is 45.

The spelling of 77422764213 in words is "seventy-seven billion, four hundred twenty-two million, seven hundred sixty-four thousand, two hundred thirteen".