872774442 has 36 divisors (see below), whose sum is σ = 1900936674. Its totient is φ = 289405200.

The previous prime is 872774393. The next prime is 872774471. The reversal of 872774442 is 244477278.

It can be written as a sum of positive squares in only one way, i.e., 598242681 + 274531761 = 24459^2 + 16569^2 .

It is a super-2 number, since 2×872774442² = 1523470453216822728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1244692 + ... + 1245392.

Almost surely, 2^872774442 is an apocalyptic number.

872774442 is an abundant number, since it is smaller than the sum of its proper divisors (1028162232).

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

872774442 is a wasteful number, since it uses less digits than its factorization.

872774442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 969 counting only the distinct ones).

The product of its digits is 702464, while the sum is 45.

The square root of 872774442 is about 29542.7561679678. The cubic root of 872774442 is about 955.6539811170.

It can be divided in two parts, 87277 and 4442, that added together give a palindrome (91719).

The spelling of 872774442 in words is "eight hundred seventy-two million, seven hundred seventy-four thousand, four hundred forty-two".