472789231 has 4 divisors (see below), whose sum is σ = 473718600. Its totient is φ = 471859864.

The previous prime is 472789157. The next prime is 472789241. The reversal of 472789231 is 132987274.

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 472789231 - 2¹⁷ = 472658159 is a prime.

It is a super-2 number, since 2×472789231² = 447059313899142722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472789241) 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, 463921 + ... + 464938.

It is an arithmetic number, because the mean of its divisors is an integer number (118429650).

Almost surely, 2^472789231 is an apocalyptic number.

472789231 is a deficient number, since it is larger than the sum of its proper divisors (929369).

472789231 is an equidigital number, since it uses as much as digits as its factorization.

472789231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929368.

The product of its digits is 169344, while the sum is 43.

The square root of 472789231 is about 21743.7170465401. The cubic root of 472789231 is about 779.0330066986.

The spelling of 472789231 in words is "four hundred seventy-two million, seven hundred eighty-nine thousand, two hundred thirty-one".