680936870 has 32 divisors (see below), whose sum is σ = 1309307328. Its totient is φ = 254076928.

The previous prime is 680936833. The next prime is 680936899. The reversal of 680936870 is 78639086.

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 15 ways as a sum of consecutive naturals, for example, 1487 + ... + 36933.

It is an arithmetic number, because the mean of its divisors is an integer number (40915854).

Almost surely, 2^680936870 is an apocalyptic number.

680936870 is a deficient number, since it is larger than the sum of its proper divisors (628370458).

680936870 is a wasteful number, since it uses less digits than its factorization.

680936870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35584.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 680936870 is about 26094.7670999379. The cubic root of 680936870 is about 879.7695979113.

The spelling of 680936870 in words is "six hundred eighty million, nine hundred thirty-six thousand, eight hundred seventy".