872399576 has 48 divisors (see below), whose sum is σ = 1709111040. Its totient is φ = 417432960.

The previous prime is 872399543. The next prime is 872399617. The reversal of 872399576 is 675993278.

It is a super-2 number, since 2×872399576² = 1522162040409959552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 853946 + ... + 854966.

It is an arithmetic number, because the mean of its divisors is an integer number (35606480).

Almost surely, 2^872399576 is an apocalyptic number.

It is an amenable number.

872399576 is a deficient number, since it is larger than the sum of its proper divisors (836711464).

872399576 is a wasteful number, since it uses less digits than its factorization.

872399576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212 (or 1179 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 56.

The square root of 872399576 is about 29536.4110209754. The cubic root of 872399576 is about 955.5171403061.

The spelling of 872399576 in words is "eight hundred seventy-two million, three hundred ninety-nine thousand, five hundred seventy-six".