564172860 has 48 divisors (see below), whose sum is σ = 1580727456. Its totient is φ = 150346752.

The previous prime is 564172859. The next prime is 564172877. The reversal of 564172860 is 68271465.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155224 + ... + 158816.

It is an arithmetic number, because the mean of its divisors is an integer number (32931822).

Almost surely, 2^564172860 is an apocalyptic number.

It is an amenable number.

564172860 is an abundant number, since it is smaller than the sum of its proper divisors (1016554596).

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

564172860 is a wasteful number, since it uses less digits than its factorization.

564172860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6222 (or 6220 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 564172860 is about 23752.3232547892. The cubic root of 564172860 is about 826.2993226393.

The spelling of 564172860 in words is "five hundred sixty-four million, one hundred seventy-two thousand, eight hundred sixty".