872381624 has 32 divisors (see below), whose sum is σ = 1647475200. Its totient is φ = 433068000.

The previous prime is 872381623. The next prime is 872381663. The reversal of 872381624 is 426183278.

It is a super-2 number, since 2×872381624² = 1522099395785754752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872381621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961379 + ... + 962285.

It is an arithmetic number, because the mean of its divisors is an integer number (51483600).

Almost surely, 2^872381624 is an apocalyptic number.

It is an amenable number.

872381624 is a deficient number, since it is larger than the sum of its proper divisors (775093576).

872381624 is a wasteful number, since it uses less digits than its factorization.

872381624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643 (or 1639 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 872381624 is about 29536.1071233160. The cubic root of 872381624 is about 955.5105861376.

The spelling of 872381624 in words is "eight hundred seventy-two million, three hundred eighty-one thousand, six hundred twenty-four".