872001336528 has 120 divisors (see below), whose sum is σ = 2790745932416. Its totient is φ = 248989075200.

The previous prime is 872001336509. The next prime is 872001336533. The reversal of 872001336528 is 825633100278.

872001336528 is a `hidden beast` number, since 87 + 2 + 0 + 0 + 13 + 36 + 528 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1367133 + ... + 1900803.

Almost surely, 2^872001336528 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 872001336528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1395372966208).

872001336528 is an abundant number, since it is smaller than the sum of its proper divisors (1918744595888).

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

872001336528 is a wasteful number, since it uses less digits than its factorization.

872001336528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535313 (or 535304 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 872001336528 in words is "eight hundred seventy-two billion, one million, three hundred thirty-six thousand, five hundred twenty-eight".