680394465675 has 72 divisors (see below), whose sum is σ = 1264039096320. Its totient is φ = 362807748000.

The previous prime is 680394465623. The next prime is 680394465719. The reversal of 680394465675 is 576564493086.

680394465675 is a `hidden beast` number, since 6 + 80 + 3 + 94 + 465 + 6 + 7 + 5 = 666.

It is not a de Polignac number, because 680394465675 - 2¹⁶ = 680394400139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 55586206 + ... + 55598444.

It is an arithmetic number, because the mean of its divisors is an integer number (17556098560).

Almost surely, 2^680394465675 is an apocalyptic number.

680394465675 is a deficient number, since it is larger than the sum of its proper divisors (583644630645).

680394465675 is a wasteful number, since it uses less digits than its factorization.

680394465675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21415 (or 21398 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 63.

The spelling of 680394465675 in words is "six hundred eighty billion, three hundred ninety-four million, four hundred sixty-five thousand, six hundred seventy-five".