680958976 has 88 divisors (see below), whose sum is σ = 1470892320. Its totient is φ = 314130432.

The previous prime is 680958961. The next prime is 680958977. The reversal of 680958976 is 679859086.

It is a super-3 number, since 3×680958976³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 680958976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680958977) 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, 682510 + ... + 683506.

Almost surely, 2^680958976 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 680958976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (735446160).

680958976 is an abundant number, since it is smaller than the sum of its proper divisors (789933344).

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

680958976 is a wasteful number, since it uses less digits than its factorization.

680958976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 58.

The square root of 680958976 is about 26095.1906680139. The cubic root of 680958976 is about 879.7791181165.

The spelling of 680958976 in words is "six hundred eighty million, nine hundred fifty-eight thousand, nine hundred seventy-six".