77367400068 has 36 divisors (see below), whose sum is σ = 209997230352. Its totient is φ = 22104971280.

The previous prime is 77367400067. The next prime is 77367400093. The reversal of 77367400068 is 86000476377.

It is not an unprimeable number, because it can be changed into a prime (77367400067) 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, 65788018 + ... + 65789193.

Almost surely, 2^77367400068 is an apocalyptic number.

It is an amenable number.

77367400068 is an abundant number, since it is smaller than the sum of its proper divisors (132629830284).

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

77367400068 is a wasteful number, since it uses less digits than its factorization.

77367400068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131577232 (or 131577223 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 77367400068 in words is "seventy-seven billion, three hundred sixty-seven million, four hundred thousand, sixty-eight".