8677198640 has 40 divisors (see below), whose sum is σ = 22008533328. Its totient is φ = 3155344640.

The previous prime is 8677198619. The next prime is 8677198669. The reversal of 8677198640 is 468917768.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4929347 + ... + 4931106.

Almost surely, 2^8677198640 is an apocalyptic number.

8677198640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8677198640 is an abundant number, since it is smaller than the sum of its proper divisors (13331334688).

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

8677198640 is a wasteful number, since it uses less digits than its factorization.

8677198640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9860477 (or 9860471 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 56.

The square root of 8677198640 is about 93151.4822211649. The cubic root of 8677198640 is about 2054.9117707496.

The spelling of 8677198640 in words is "eight billion, six hundred seventy-seven million, one hundred ninety-eight thousand, six hundred forty".