869807372 has 12 divisors (see below), whose sum is σ = 1739614800. Its totient is φ = 372774576.

The previous prime is 869807371. The next prime is 869807401. The reversal of 869807372 is 273708968.

It is a happy number.

869807372 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 869807372.

It is not an unprimeable number, because it can be changed into a prime (869807371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15532247 + ... + 15532302.

It is an arithmetic number, because the mean of its divisors is an integer number (144967900).

Almost surely, 2^869807372 is an apocalyptic number.

It is an amenable number.

869807372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

869807372 is a wasteful number, since it uses less digits than its factorization.

869807372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31064560 (or 31064558 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 869807372 is about 29492.4968763243. The cubic root of 869807372 is about 954.5698096258.

The spelling of 869807372 in words is "eight hundred sixty-nine million, eight hundred seven thousand, three hundred seventy-two".