872448559 has 4 divisors (see below), whose sum is σ = 872787616. Its totient is φ = 872109504.

The previous prime is 872448547. The next prime is 872448569. The reversal of 872448559 is 955844278.

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 872448559 - 2⁵ = 872448527 is a prime.

It is a super-2 number, since 2×872448559² = 1522332976202352962, 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 (872448509) 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, 165639 + ... + 170824.

It is an arithmetic number, because the mean of its divisors is an integer number (218196904).

Almost surely, 2^872448559 is an apocalyptic number.

872448559 is a deficient number, since it is larger than the sum of its proper divisors (339057).

872448559 is a wasteful number, since it uses less digits than its factorization.

872448559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339056.

The product of its digits is 3225600, while the sum is 52.

The square root of 872448559 is about 29537.2402062210. The cubic root of 872448559 is about 955.5350232508.

The spelling of 872448559 in words is "eight hundred seventy-two million, four hundred forty-eight thousand, five hundred fifty-nine".