680524887 has 12 divisors (see below), whose sum is σ = 1055508216. Its totient is φ = 388871280.

The previous prime is 680524879. The next prime is 680524931. The reversal of 680524887 is 788425086.

It is not a de Polignac number, because 680524887 - 2³ = 680524879 is a prime.

It is a super-2 number, since 2×680524887² = 926228243652725538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680524487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2314564 + ... + 2314857.

It is an arithmetic number, because the mean of its divisors is an integer number (87959018).

Almost surely, 2^680524887 is an apocalyptic number.

680524887 is a deficient number, since it is larger than the sum of its proper divisors (374983329).

680524887 is a wasteful number, since it uses less digits than its factorization.

680524887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629438 (or 4629431 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The square root of 680524887 is about 26086.8719282324. The cubic root of 680524887 is about 879.5921349404.

The spelling of 680524887 in words is "six hundred eighty million, five hundred twenty-four thousand, eight hundred eighty-seven".