8977966440 has 64 divisors (see below), whose sum is σ = 26942405760. Its totient is φ = 2393368320.

The previous prime is 8977966427. The next prime is 8977966453. The reversal of 8977966440 is 446697798.

It is an interprime number because it is at equal distance from previous prime (8977966427) and next prime (8977966453).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442110 + ... + 461970.

It is an arithmetic number, because the mean of its divisors is an integer number (420975090).

Almost surely, 2^8977966440 is an apocalyptic number.

It is an amenable number.

8977966440 is an abundant number, since it is smaller than the sum of its proper divisors (17964439320).

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

8977966440 is a wasteful number, since it uses less digits than its factorization.

8977966440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23642 (or 23638 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 60.

The square root of 8977966440 is about 94752.1315855216. The cubic root of 8977966440 is about 2078.3849673501.

The spelling of 8977966440 in words is "eight billion, nine hundred seventy-seven million, nine hundred sixty-six thousand, four hundred forty".