680607488 has 72 divisors (see below), whose sum is σ = 1497360816. Its totient is φ = 306176000.

The previous prime is 680607481. The next prime is 680607527. The reversal of 680607488 is 884706086.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680607481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283220 + ... + 285612.

It is an arithmetic number, because the mean of its divisors is an integer number (20796678).

Almost surely, 2^680607488 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 680607488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748680408).

680607488 is an abundant number, since it is smaller than the sum of its proper divisors (816753328).

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

680607488 is a wasteful number, since it uses less digits than its factorization.

680607488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521 (or 2507 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 680607488 is about 26088.4550711613. The cubic root of 680607488 is about 879.6277213198.

The spelling of 680607488 in words is "six hundred eighty million, six hundred seven thousand, four hundred eighty-eight".