872515760 has 20 divisors (see below), whose sum is σ = 2028599328. Its totient is φ = 349006272.

The previous prime is 872515753. The next prime is 872515789. The reversal of 872515760 is 67515278.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×872515760² = 1522567502896755200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5453144 + ... + 5453303.

Almost surely, 2^872515760 is an apocalyptic number.

872515760 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

872515760 is an abundant number, since it is smaller than the sum of its proper divisors (1156083568).

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

872515760 is a wasteful number, since it uses less digits than its factorization.

872515760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10906460 (or 10906454 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 41.

The square root of 872515760 is about 29538.3777482786. The cubic root of 872515760 is about 955.5595562199.

The spelling of 872515760 in words is "eight hundred seventy-two million, five hundred fifteen thousand, seven hundred sixty".