680405575 has 6 divisors (see below), whose sum is σ = 843702944. Its totient is φ = 544324440.

The previous prime is 680405563. The next prime is 680405629. The reversal of 680405575 is 575504086.

It is not a de Polignac number, because 680405575 - 2¹⁵ = 680372807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13608087 + ... + 13608136.

Almost surely, 2^680405575 is an apocalyptic number.

680405575 is a deficient number, since it is larger than the sum of its proper divisors (163297369).

680405575 is a wasteful number, since it uses less digits than its factorization.

680405575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27216233 (or 27216228 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 680405575 is about 26084.5850072413. The cubic root of 680405575 is about 879.5407275476.

The spelling of 680405575 in words is "six hundred eighty million, four hundred five thousand, five hundred seventy-five".