680575863 has 16 divisors (see below), whose sum is σ = 994262400. Its totient is φ = 410664480.

The previous prime is 680575853. The next prime is 680575867. The reversal of 680575863 is 368575086.

It is not a de Polignac number, because 680575863 - 2⁹ = 680575351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680575867) 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, 37473 + ... + 52586.

It is an arithmetic number, because the mean of its divisors is an integer number (62141400).

Almost surely, 2^680575863 is an apocalyptic number.

680575863 is a deficient number, since it is larger than the sum of its proper divisors (313686537).

680575863 is a wasteful number, since it uses less digits than its factorization.

680575863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90302.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 680575863 is about 26087.8489531046. The cubic root of 680575863 is about 879.6140968946.

It can be divided in two parts, 68057 and 5863, that added together give a triangular number (73920 = T₃₈₄).

The spelling of 680575863 in words is "six hundred eighty million, five hundred seventy-five thousand, eight hundred sixty-three".