77162041768 has 16 divisors (see below), whose sum is σ = 165347232480. Its totient is φ = 33069446448.

The previous prime is 77162041753. The next prime is 77162041819. The reversal of 77162041768 is 86714026177.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688946746 + ... + 688946857.

It is an arithmetic number, because the mean of its divisors is an integer number (10334202030).

Almost surely, 2^77162041768 is an apocalyptic number.

It is an amenable number.

77162041768 is an abundant number, since it is smaller than the sum of its proper divisors (88185190712).

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

77162041768 is a wasteful number, since it uses less digits than its factorization.

77162041768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377893616 (or 1377893612 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 77162041768 in words is "seventy-seven billion, one hundred sixty-two million, forty-one thousand, seven hundred sixty-eight".