872221488 has 80 divisors (see below), whose sum is σ = 2322946560. Its totient is φ = 281864448.

The previous prime is 872221481. The next prime is 872221501. The reversal of 872221488 is 884122278.

It is not an unprimeable number, because it can be changed into a prime (872221481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244131 + ... + 247677.

It is an arithmetic number, because the mean of its divisors is an integer number (29036832).

Almost surely, 2^872221488 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 872221488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161473280).

872221488 is an abundant number, since it is smaller than the sum of its proper divisors (1450725072).

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

872221488 is a wasteful number, since it uses less digits than its factorization.

872221488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714 (or 3708 counting only the distinct ones).

The product of its digits is 114688, while the sum is 42.

The square root of 872221488 is about 29533.3961474125. The cubic root of 872221488 is about 955.4521174574.

The spelling of 872221488 in words is "eight hundred seventy-two million, two hundred twenty-one thousand, four hundred eighty-eight".