680601588 has 12 divisors (see below), whose sum is σ = 1588070400. Its totient is φ = 226867192.

The previous prime is 680601587. The next prime is 680601617. The reversal of 680601588 is 885106086.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680601587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28358388 + ... + 28358411.

It is an arithmetic number, because the mean of its divisors is an integer number (132339200).

Almost surely, 2^680601588 is an apocalyptic number.

It is an amenable number.

680601588 is an abundant number, since it is smaller than the sum of its proper divisors (907468812).

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

680601588 is a wasteful number, since it uses less digits than its factorization.

680601588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56716806 (or 56716804 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 680601588 is about 26088.3419940785. The cubic root of 680601588 is about 879.6251795619.

The spelling of 680601588 in words is "six hundred eighty million, six hundred one thousand, five hundred eighty-eight".