572877989 has 2 divisors, whose sum is σ = 572877990. Its totient is φ = 572877988.

The previous prime is 572877961. The next prime is 572878001. The reversal of 572877989 is 989778275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 509404900 + 63473089 = 22570^2 + 7967^2 .

It is a cyclic number.

It is not a de Polignac number, because 572877989 - 2²⁴ = 556100773 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (572877289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286438994 + 286438995.

It is an arithmetic number, because the mean of its divisors is an integer number (286438995).

Almost surely, 2^572877989 is an apocalyptic number.

It is an amenable number.

572877989 is a deficient number, since it is larger than the sum of its proper divisors (1).

572877989 is an equidigital number, since it uses as much as digits as its factorization.

572877989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17781120, while the sum is 62.

The square root of 572877989 is about 23934.8697301657. The cubic root of 572877989 is about 830.5275540007.

The spelling of 572877989 in words is "five hundred seventy-two million, eight hundred seventy-seven thousand, nine hundred eighty-nine".