564378276 has 72 divisors (see below), whose sum is σ = 1671165216. Its totient is φ = 146590080.

The previous prime is 564378271. The next prime is 564378277. The reversal of 564378276 is 672873465.

It is not an unprimeable number, because it can be changed into a prime (564378271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37161 + ... + 50096.

It is an arithmetic number, because the mean of its divisors is an integer number (23210628).

Almost surely, 2^564378276 is an apocalyptic number.

It is an amenable number.

564378276 is an abundant number, since it is smaller than the sum of its proper divisors (1106786940).

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

564378276 is a wasteful number, since it uses less digits than its factorization.

564378276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87289 (or 87280 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 48.

The square root of 564378276 is about 23756.6469856333. The cubic root of 564378276 is about 826.3995959879.

The spelling of 564378276 in words is "five hundred sixty-four million, three hundred seventy-eight thousand, two hundred seventy-six".