564377387 has 8 divisors (see below), whose sum is σ = 678950400. Its totient is φ = 458291304.

The previous prime is 564377383. The next prime is 564377389. The reversal of 564377387 is 783773465.

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

It is a cyclic number.

It is not a de Polignac number, because 564377387 - 2² = 564377383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564377383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2121587 + ... + 2121852.

It is an arithmetic number, because the mean of its divisors is an integer number (84868800).

Almost surely, 2^564377387 is an apocalyptic number.

564377387 is a deficient number, since it is larger than the sum of its proper divisors (114573013).

564377387 is a wasteful number, since it uses less digits than its factorization.

564377387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243465.

The product of its digits is 2963520, while the sum is 50.

The square root of 564377387 is about 23756.6282750730. The cubic root of 564377387 is about 826.3991620770.

The spelling of 564377387 in words is "five hundred sixty-four million, three hundred seventy-seven thousand, three hundred eighty-seven".