680373727488 has 1080 divisors, whose sum is σ = 2676263325120. Its totient is φ = 169932349440.

The previous prime is 680373727459. The next prime is 680373727573. The reversal of 680373727488 is 884727373086.

680373727488 is a `hidden beast` number, since 6 + 80 + 3 + 7 + 3 + 72 + 7 + 488 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 250966453 + ... + 250969163.

Almost surely, 2^680373727488 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 680373727488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338131662560).

680373727488 is an abundant number, since it is smaller than the sum of its proper divisors (1995889597632).

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

680373727488 is a wasteful number, since it uses less digits than its factorization.

680373727488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785 (or 2755 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 63.

The spelling of 680373727488 in words is "six hundred eighty billion, three hundred seventy-three million, seven hundred twenty-seven thousand, four hundred eighty-eight".