682778496 has 32 divisors (see below), whose sum is σ = 1813631400. Its totient is φ = 227592704.

The previous prime is 682778479. The next prime is 682778521. The reversal of 682778496 is 694877286.

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 888651 + ... + 889418.

Almost surely, 2^682778496 is an apocalyptic number.

It is an amenable number.

682778496 is an abundant number, since it is smaller than the sum of its proper divisors (1130852904).

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

682778496 is a wasteful number, since it uses less digits than its factorization.

682778496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778086 (or 1778074 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 57.

The square root of 682778496 is about 26130.0305395918. The cubic root of 682778496 is about 880.5620101430.

The spelling of 682778496 in words is "six hundred eighty-two million, seven hundred seventy-eight thousand, four hundred ninety-six".