869883672 has 128 divisors (see below), whose sum is σ = 2552256000. Its totient is φ = 246960000.

The previous prime is 869883671. The next prime is 869883683. The reversal of 869883672 is 276388968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869883671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2066022 + ... + 2066442.

It is an arithmetic number, because the mean of its divisors is an integer number (19939500).

Almost surely, 2^869883672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869883672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1276128000).

869883672 is an abundant number, since it is smaller than the sum of its proper divisors (1682372328).

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

869883672 is a wasteful number, since it uses less digits than its factorization.

869883672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 684 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The square root of 869883672 is about 29493.7903973023. The cubic root of 869883672 is about 954.5977206129.

The spelling of 869883672 in words is "eight hundred sixty-nine million, eight hundred eighty-three thousand, six hundred seventy-two".