572377789 has 4 divisors (see below), whose sum is σ = 580439520. Its totient is φ = 564316060.

The previous prime is 572377783. The next prime is 572377837. The reversal of 572377789 is 987773275.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 572377789 - 2²⁵ = 538823357 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 (572377783) 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, 4030759 + ... + 4030900.

It is an arithmetic number, because the mean of its divisors is an integer number (145109880).

Almost surely, 2^572377789 is an apocalyptic number.

It is an amenable number.

572377789 is a deficient number, since it is larger than the sum of its proper divisors (8061731).

572377789 is an equidigital number, since it uses as much as digits as its factorization.

572377789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8061730.

The product of its digits is 5186160, while the sum is 55.

The square root of 572377789 is about 23924.4182583402. The cubic root of 572377789 is about 830.2857626373.

The spelling of 572377789 in words is "five hundred seventy-two million, three hundred seventy-seven thousand, seven hundred eighty-nine".