680998803 has 8 divisors (see below), whose sum is σ = 908196816. Its totient is φ = 453900000.

The previous prime is 680998777. The next prime is 680998811. The reversal of 680998803 is 308899086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 680998803 - 2⁵ = 680998771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (680998873) 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, 6948 + ... + 37553.

It is an arithmetic number, because the mean of its divisors is an integer number (113524602).

Almost surely, 2^680998803 is an apocalyptic number.

680998803 is a deficient number, since it is larger than the sum of its proper divisors (227198013).

680998803 is a wasteful number, since it uses less digits than its factorization.

680998803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49605.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 680998803 is about 26095.9537668199. The cubic root of 680998803 is about 879.7962695559.

The spelling of 680998803 in words is "six hundred eighty million, nine hundred ninety-eight thousand, eight hundred three".