872195560 has 64 divisors (see below), whose sum is σ = 2011398480. Its totient is φ = 340254720.

The previous prime is 872195483. The next prime is 872195587. The reversal of 872195560 is 65591278.

It can be written as a sum of positive squares in 8 ways, for example, as 373030596 + 499164964 = 19314^2 + 22342^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

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, 382584 + ... + 384856.

Almost surely, 2^872195560 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 872195560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005699240).

872195560 is an abundant number, since it is smaller than the sum of its proper divisors (1139202920).

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

872195560 is a wasteful number, since it uses less digits than its factorization.

872195560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518 (or 2514 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 872195560 is about 29532.9571834586. The cubic root of 872195560 is about 955.4426499815.

The spelling of 872195560 in words is "eight hundred seventy-two million, one hundred ninety-five thousand, five hundred sixty".