682687680 has 56 divisors (see below), whose sum is σ = 2167536432. Its totient is φ = 182049792.

The previous prime is 682687657. The next prime is 682687693. The reversal of 682687680 is 86786286.

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 7 ways as a sum of consecutive naturals, for example, 354607 + ... + 356526.

Almost surely, 2^682687680 is an apocalyptic number.

682687680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

682687680 is an abundant number, since it is smaller than the sum of its proper divisors (1484848752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

682687680 is a wasteful number, since it uses less digits than its factorization.

682687680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711153 (or 711143 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The square root of 682687680 is about 26128.2927111589. The cubic root of 682687680 is about 880.5229673857.

The spelling of 682687680 in words is "six hundred eighty-two million, six hundred eighty-seven thousand, six hundred eighty".