572791881 has 16 divisors (see below), whose sum is σ = 776913984. Its totient is φ = 375313344.

The previous prime is 572791873. The next prime is 572791889. The reversal of 572791881 is 188197275.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (572791873) and next prime (572791889).

It is not a de Polignac number, because 572791881 - 2³ = 572791873 is a prime.

It is a super-2 number, since 2×572791881² = 656181077879036322, which contains 22 as substring.

572791881 is a modest number, since divided by 91881 gives 5727 as remainder.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 572791881.

It is not an unprimeable number, because it can be changed into a prime (572791889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43215 + ... + 54891.

It is an arithmetic number, because the mean of its divisors is an integer number (48557124).

Almost surely, 2^572791881 is an apocalyptic number.

It is an amenable number.

572791881 is a deficient number, since it is larger than the sum of its proper divisors (204122103).

572791881 is a wasteful number, since it uses less digits than its factorization.

572791881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11960.

The product of its digits is 282240, while the sum is 48.

The square root of 572791881 is about 23933.0708643918. The cubic root of 572791881 is about 830.4859403404.

The spelling of 572791881 in words is "five hundred seventy-two million, seven hundred ninety-one thousand, eight hundred eighty-one".