479572869 has 4 divisors (see below), whose sum is σ = 639430496. Its totient is φ = 319715244.

The previous prime is 479572867. The next prime is 479572871. The reversal of 479572869 is 968275974.

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 an interprime number because it is at equal distance from previous prime (479572867) and next prime (479572871).

It is not a de Polignac number, because 479572869 - 2¹ = 479572867 is a prime.

It is a super-2 number, since 2×479572869² = 459980273361782322, 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 (479572861) 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, 79928809 + ... + 79928814.

It is an arithmetic number, because the mean of its divisors is an integer number (159857624).

Almost surely, 2^479572869 is an apocalyptic number.

It is an amenable number.

479572869 is a deficient number, since it is larger than the sum of its proper divisors (159857627).

479572869 is a wasteful number, since it uses less digits than its factorization.

479572869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159857626.

The product of its digits is 7620480, while the sum is 57.

The square root of 479572869 is about 21899.1522438655. The cubic root of 479572869 is about 782.7412146824.

The spelling of 479572869 in words is "four hundred seventy-nine million, five hundred seventy-two thousand, eight hundred sixty-nine".