680486995 has 16 divisors (see below), whose sum is σ = 868085280. Its totient is φ = 510624000.

The previous prime is 680486977. The next prime is 680487019. The reversal of 680486995 is 599684086.

It is not a de Polignac number, because 680486995 - 2²¹ = 678389843 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25866 + ... + 45055.

It is an arithmetic number, because the mean of its divisors is an integer number (54255330).

Almost surely, 2^680486995 is an apocalyptic number.

680486995 is a deficient number, since it is larger than the sum of its proper divisors (187598285).

680486995 is a wasteful number, since it uses less digits than its factorization.

680486995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71046.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The square root of 680486995 is about 26086.1456524340. The cubic root of 680486995 is about 879.5758092461.

The spelling of 680486995 in words is "six hundred eighty million, four hundred eighty-six thousand, nine hundred ninety-five".