872595822 has 96 divisors (see below), whose sum is σ = 2180701440. Its totient is φ = 231248640.

The previous prime is 872595821. The next prime is 872595851. The reversal of 872595822 is 228595278.

It is a happy number.

It is a super-2 number, since 2×872595822² = 1522846937143711368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872595821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 353629 + ... + 356087.

It is an arithmetic number, because the mean of its divisors is an integer number (22715640).

Almost surely, 2^872595822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 872595822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1090350720).

872595822 is an abundant number, since it is smaller than the sum of its proper divisors (1308105618).

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

872595822 is a wasteful number, since it uses less digits than its factorization.

872595822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566 (or 2559 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The square root of 872595822 is about 29539.7329371814. The cubic root of 872595822 is about 955.5887826907.

The spelling of 872595822 in words is "eight hundred seventy-two million, five hundred ninety-five thousand, eight hundred twenty-two".