8447990874 has 64 divisors (see below), whose sum is σ = 17435537280. Its totient is φ = 2727763200.

The previous prime is 8447990869. The next prime is 8447990891. The reversal of 8447990874 is 4780997448.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9903432 + ... + 9904284.

It is an arithmetic number, because the mean of its divisors is an integer number (272430270).

Almost surely, 2^8447990874 is an apocalyptic number.

8447990874 is an abundant number, since it is smaller than the sum of its proper divisors (8987546406).

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

8447990874 is a wasteful number, since it uses less digits than its factorization.

8447990874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295.

The product of its (nonzero) digits is 16257024, while the sum is 60.

The square root of 8447990874 is about 91912.9526998235. The cubic root of 8447990874 is about 2036.6566144933.

The spelling of 8447990874 in words is "eight billion, four hundred forty-seven million, nine hundred ninety thousand, eight hundred seventy-four".