869079672 has 64 divisors (see below), whose sum is σ = 2436324000. Its totient is φ = 287027712.

The previous prime is 869079647. The next prime is 869079691. The reversal of 869079672 is 276970968.

It is a super-3 number, since 3×869079672³ (a number of 28 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5088 + ... + 42000.

Almost surely, 2^869079672 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 869079672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1218162000).

869079672 is an abundant number, since it is smaller than the sum of its proper divisors (1567244328).

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

869079672 is a wasteful number, since it uses less digits than its factorization.

869079672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37037 (or 37027 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 869079672 is about 29480.1572587393. The cubic root of 869079672 is about 954.3035306465.

The spelling of 869079672 in words is "eight hundred sixty-nine million, seventy-nine thousand, six hundred seventy-two".