564778404376632 has 64 divisors (see below), whose sum is σ = 1637038853280000. Its totient is φ = 180074273857632.

The previous prime is 564778404376601. The next prime is 564778404376687. The reversal of 564778404376632 is 236673404877465.

564778404376632 is a `hidden beast` number, since 5 + 6 + 477 + 8 + 40 + 43 + 76 + 6 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56841621882 + ... + 56841631817.

It is an arithmetic number, because the mean of its divisors is an integer number (25578732082500).

Almost surely, 2^{564778404376632} is an apocalyptic number.

It is an amenable number.

564778404376632 is an abundant number, since it is smaller than the sum of its proper divisors (1072260448903368).

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

564778404376632 is a wasteful number, since it uses less digits than its factorization.

564778404376632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113683253737 (or 113683253727 counting only the distinct ones).

The product of its (nonzero) digits is 3413975040, while the sum is 72.

The spelling of 564778404376632 in words is "five hundred sixty-four trillion, seven hundred seventy-eight billion, four hundred four million, three hundred seventy-six thousand, six hundred thirty-two".