659980788 has 24 divisors (see below), whose sum is σ = 1540381920. Its totient is φ = 219932640.

The previous prime is 659980787. The next prime is 659980799. The reversal of 659980788 is 887089956.

It is a happy number.

659980788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×659980788³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659980787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65743 + ... + 75113.

It is an arithmetic number, because the mean of its divisors is an integer number (64182580).

Almost surely, 2^659980788 is an apocalyptic number.

It is an amenable number.

659980788 is an abundant number, since it is smaller than the sum of its proper divisors (880401132).

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

659980788 is a wasteful number, since it uses less digits than its factorization.

659980788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15247 (or 15245 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 60.

The square root of 659980788 is about 25690.0912415663. The cubic root of 659980788 is about 870.6503210070.

The spelling of 659980788 in words is "six hundred fifty-nine million, nine hundred eighty thousand, seven hundred eighty-eight".