872399575 has 12 divisors (see below), whose sum is σ = 1082182720. Its totient is φ = 697656960.

The previous prime is 872399543. The next prime is 872399617. The reversal of 872399575 is 575993278.

It is not a de Polignac number, because 872399575 - 2⁵ = 872399543 is a prime.

It is a super-2 number, since 2×872399575² = 1522162036920361250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87706 + ... + 97144.

Almost surely, 2^872399575 is an apocalyptic number.

872399575 is a deficient number, since it is larger than the sum of its proper divisors (209783145).

872399575 is a wasteful number, since it uses less digits than its factorization.

872399575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13146 (or 13141 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 55.

The square root of 872399575 is about 29536.4110040472. The cubic root of 872399575 is about 955.5171399410.

The spelling of 872399575 in words is "eight hundred seventy-two million, three hundred ninety-nine thousand, five hundred seventy-five".