9977307868 has 24 divisors (see below), whose sum is σ = 19243962864. Its totient is φ = 4488384000.

The previous prime is 9977307859. The next prime is 9977307869. The reversal of 9977307868 is 8687037799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9977307869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164583 + ... + 1173118.

It is an arithmetic number, because the mean of its divisors is an integer number (801831786).

Almost surely, 2^9977307868 is an apocalyptic number.

It is an amenable number.

9977307868 is a deficient number, since it is larger than the sum of its proper divisors (9266654996).

9977307868 is a wasteful number, since it uses less digits than its factorization.

9977307868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337813 (or 2337811 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 64.

The square root of 9977307868 is about 99886.4749002586. The cubic root of 9977307868 is about 2152.8038319418.

The spelling of 9977307868 in words is "nine billion, nine hundred seventy-seven million, three hundred seven thousand, eight hundred sixty-eight".