564066878 has 16 divisors (see below), whose sum is σ = 889630560. Its totient is φ = 267842400.

The previous prime is 564066869. The next prime is 564066901. The reversal of 564066878 is 878660465.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76178 + ... + 83253.

It is an arithmetic number, because the mean of its divisors is an integer number (55601910).

Almost surely, 2^564066878 is an apocalyptic number.

564066878 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

564066878 is a deficient number, since it is larger than the sum of its proper divisors (325563682).

564066878 is a wasteful number, since it uses less digits than its factorization.

564066878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159523.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The square root of 564066878 is about 23750.0921682422. The cubic root of 564066878 is about 826.2475782508.

The spelling of 564066878 in words is "five hundred sixty-four million, sixty-six thousand, eight hundred seventy-eight".