680942867602 has 32 divisors (see below), whose sum is σ = 1081675270080. Its totient is φ = 320999689920.

The previous prime is 680942867599. The next prime is 680942867609. The reversal of 680942867602 is 206768249086.

680942867602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (680942867609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123693 + ... + 1173535.

It is an arithmetic number, because the mean of its divisors is an integer number (33802352190).

Almost surely, 2^680942867602 is an apocalyptic number.

680942867602 is a deficient number, since it is larger than the sum of its proper divisors (400732402478).

680942867602 is a wasteful number, since it uses less digits than its factorization.

680942867602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050138.

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 680942867602 in words is "six hundred eighty billion, nine hundred forty-two million, eight hundred sixty-seven thousand, six hundred two".