680862192 has 40 divisors (see below), whose sum is σ = 1835370624. Its totient is φ = 217086144.

The previous prime is 680862191. The next prime is 680862199. The reversal of 680862192 is 291268086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680862191) 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, 307258 + ... + 309465.

Almost surely, 2^680862192 is an apocalyptic number.

It is an amenable number.

680862192 is an abundant number, since it is smaller than the sum of its proper divisors (1154508432).

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

680862192 is a wasteful number, since it uses less digits than its factorization.

680862192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616757 (or 616751 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 680862192 is about 26093.3361607902. The cubic root of 680862192 is about 879.7374354408.

The spelling of 680862192 in words is "six hundred eighty million, eight hundred sixty-two thousand, one hundred ninety-two".