8489912664 has 16 divisors (see below), whose sum is σ = 21224781720. Its totient is φ = 2829970880.

The previous prime is 8489912657. The next prime is 8489912687. The reversal of 8489912664 is 4662199848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176873157 + ... + 176873204.

Almost surely, 2^8489912664 is an apocalyptic number.

It is an amenable number.

8489912664 is an abundant number, since it is smaller than the sum of its proper divisors (12734869056).

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

8489912664 is a wasteful number, since it uses less digits than its factorization.

8489912664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353746370 (or 353746366 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 57.

The square root of 8489912664 is about 92140.7220722738. The cubic root of 8489912664 is about 2040.0199171450.

The spelling of 8489912664 in words is "eight billion, four hundred eighty-nine million, nine hundred twelve thousand, six hundred sixty-four".