265672872 has 96 divisors (see below), whose sum is σ = 790171200. Its totient is φ = 83337984.

The previous prime is 265672871. The next prime is 265672909. The reversal of 265672872 is 278276562.

265672872 is a `hidden beast` number, since 2 + 6 + 567 + 2 + 87 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (265672871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29029 + ... + 37067.

It is an arithmetic number, because the mean of its divisors is an integer number (8230950).

Almost surely, 2^265672872 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 265672872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395085600).

265672872 is an abundant number, since it is smaller than the sum of its proper divisors (524498328).

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

265672872 is a wasteful number, since it uses less digits than its factorization.

265672872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8077 (or 8061 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 265672872 is about 16299.4745927591. The cubic root of 265672872 is about 642.8590125660.

The spelling of 265672872 in words is "two hundred sixty-five million, six hundred seventy-two thousand, eight hundred seventy-two".