8605990680 has 128 divisors (see below), whose sum is σ = 29548108800. Its totient is φ = 1964293632.

The previous prime is 8605990667. The next prime is 8605990709. The reversal of 8605990680 is 860995068.

It is a congruent number.

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, 617226 + ... + 631014.

It is an arithmetic number, because the mean of its divisors is an integer number (230844600).

Almost surely, 2^8605990680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8605990680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14774054400).

8605990680 is an abundant number, since it is smaller than the sum of its proper divisors (20942118120).

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

8605990680 is a wasteful number, since it uses less digits than its factorization.

8605990680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14553 (or 14549 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 8605990680 is about 92768.4789139070. The cubic root of 8605990680 is about 2049.2752290168.

The spelling of 8605990680 in words is "eight billion, six hundred five million, nine hundred ninety thousand, six hundred eighty".