625778496 has 84 divisors (see below), whose sum is σ = 2049934432. Its totient is φ = 178792704.

The previous prime is 625778477. The next prime is 625778563. The reversal of 625778496 is 694877526.

625778496 is a `hidden beast` number, since 62 + 577 + 8 + 4 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

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 11 ways as a sum of consecutive naturals, for example, 73570 + ... + 81633.

Almost surely, 2^625778496 is an apocalyptic number.

It is an amenable number.

625778496 is an abundant number, since it is smaller than the sum of its proper divisors (1424155936).

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

625778496 is a wasteful number, since it uses less digits than its factorization.

625778496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155228 (or 155215 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 625778496 is about 25015.5650745691. The cubic root of 625778496 is about 855.3428152321.

The spelling of 625778496 in words is "six hundred twenty-five million, seven hundred seventy-eight thousand, four hundred ninety-six".