572664887 has 4 divisors (see below), whose sum is σ = 575542800. Its totient is φ = 569786976.

The previous prime is 572664881. The next prime is 572664901. The reversal of 572664887 is 788466275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 572664887 - 2⁴ = 572664871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572664881) 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, 1438658 + ... + 1439055.

It is an arithmetic number, because the mean of its divisors is an integer number (143885700).

Almost surely, 2^572664887 is an apocalyptic number.

572664887 is a deficient number, since it is larger than the sum of its proper divisors (2877913).

572664887 is a wasteful number, since it uses less digits than its factorization.

572664887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877912.

The product of its digits is 4515840, while the sum is 53.

The square root of 572664887 is about 23930.4176102299. The cubic root of 572664887 is about 830.4245599739.

The spelling of 572664887 in words is "five hundred seventy-two million, six hundred sixty-four thousand, eight hundred eighty-seven".