682652707984 has 45 divisors (see below), whose sum is σ = 1432297545003. Its totient is φ = 315050651136.

The previous prime is 682652707973. The next prime is 682652708107. The reversal of 682652707984 is 489707256286.

The square root of 682652707984 is 826228.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 275772019600 + 406880688384 = 525140^2 + 637872^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 42955912 + ... + 42971800.

Almost surely, 2^682652707984 is an apocalyptic number.

682652707984 is the 826228-th square number.

It is an amenable number.

682652707984 is an abundant number, since it is smaller than the sum of its proper divisors (749644837019).

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

682652707984 is an frugal number, since it uses more digits than its factorization.

682652707984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31812 (or 15904 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 64.

Multiplying 682652707984 by its sum of digits (64), we get a square (43689773310976 = 6609824²).

The spelling of 682652707984 in words is "six hundred eighty-two billion, six hundred fifty-two million, seven hundred seven thousand, nine hundred eighty-four".