564140678 has 8 divisors (see below), whose sum is σ = 846357120. Its totient is φ = 282021640.

The previous prime is 564140677. The next prime is 564140719. The reversal of 564140678 is 876041465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564140677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7553 + ... + 34428.

It is an arithmetic number, because the mean of its divisors is an integer number (105794640).

Almost surely, 2^564140678 is an apocalyptic number.

564140678 is a deficient number, since it is larger than the sum of its proper divisors (282216442).

564140678 is a wasteful number, since it uses less digits than its factorization.

564140678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48702.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 564140678 is about 23751.6457956075. The cubic root of 564140678 is about 826.2836108647.

The spelling of 564140678 in words is "five hundred sixty-four million, one hundred forty thousand, six hundred seventy-eight".