8987613912 has 48 divisors (see below), whose sum is σ = 24345818640. Its totient is φ = 2995334208.

The previous prime is 8987613893. The next prime is 8987613919. The reversal of 8987613912 is 2193167898.

8987613912 is a `hidden beast` number, since 8 + 9 + 8 + 7 + 613 + 9 + 12 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8987613919) 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, 754918 + ... + 766730.

It is an arithmetic number, because the mean of its divisors is an integer number (507204555).

Almost surely, 2^8987613912 is an apocalyptic number.

It is an amenable number.

8987613912 is an abundant number, since it is smaller than the sum of its proper divisors (15358204728).

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

8987613912 is a wasteful number, since it uses less digits than its factorization.

8987613912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22392 (or 22385 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 8987613912 is about 94803.0269137014. The cubic root of 8987613912 is about 2079.1291589981.

The spelling of 8987613912 in words is "eight billion, nine hundred eighty-seven million, six hundred thirteen thousand, nine hundred twelve".