77107645164 has 96 divisors (see below), whose sum is σ = 203169657600. Its totient is φ = 22546056960.

The previous prime is 77107645163. The next prime is 77107645171. The reversal of 77107645164 is 46154670177.

It is not an unprimeable number, because it can be changed into a prime (77107645163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7141482 + ... + 7152270.

It is an arithmetic number, because the mean of its divisors is an integer number (2116350600).

Almost surely, 2^77107645164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77107645164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101584828800).

77107645164 is an abundant number, since it is smaller than the sum of its proper divisors (126062012436).

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

77107645164 is a wasteful number, since it uses less digits than its factorization.

77107645164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12703 (or 12701 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 48.

The spelling of 77107645164 in words is "seventy-seven billion, one hundred seven million, six hundred forty-five thousand, one hundred sixty-four".