869544882 has 48 divisors (see below), whose sum is σ = 1999277280. Its totient is φ = 283100832.

The previous prime is 869544869. The next prime is 869544901. The reversal of 869544882 is 288445968.

It is a super-2 number, since 2×869544882² = 1512216603624787848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94 + ... + 41702.

It is an arithmetic number, because the mean of its divisors is an integer number (41651610).

Almost surely, 2^869544882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869544882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999638640).

869544882 is an abundant number, since it is smaller than the sum of its proper divisors (1129732398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869544882 is a wasteful number, since it uses less digits than its factorization.

869544882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41669 (or 41657 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 869544882 is about 29488.0464256281. The cubic root of 869544882 is about 954.4737767773.

The spelling of 869544882 in words is "eight hundred sixty-nine million, five hundred forty-four thousand, eight hundred eighty-two".