872212768 has 96 divisors (see below), whose sum is σ = 2002492800. Its totient is φ = 366280704.

The previous prime is 872212751. The next prime is 872212799. The reversal of 872212768 is 867212278.

It is a super-2 number, since 2×872212768² = 1521510225324443648, which contains 22 as substring.

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, 3393696 + ... + 3393952.

It is an arithmetic number, because the mean of its divisors is an integer number (20859300).

Almost surely, 2^872212768 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 872212768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1001246400).

872212768 is an abundant number, since it is smaller than the sum of its proper divisors (1130280032).

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

872212768 is a wasteful number, since it uses less digits than its factorization.

872212768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 514 counting only the distinct ones).

The product of its digits is 150528, while the sum is 43.

The square root of 872212768 is about 29533.2485175607. The cubic root of 872212768 is about 955.4489334152.

The spelling of 872212768 in words is "eight hundred seventy-two million, two hundred twelve thousand, seven hundred sixty-eight".