872548628 has 48 divisors (see below), whose sum is σ = 1840675200. Its totient is φ = 353548800.

The previous prime is 872548627. The next prime is 872548639. The reversal of 872548628 is 826845278.

It is a happy number.

It is a super-2 number, since 2×872548628² = 1522682216449364768, which contains 22 as substring.

Its product of digits (1720320) is a multiple of the sum of its prime factors (3360).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872548627) 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, 318368 + ... + 321096.

It is an arithmetic number, because the mean of its divisors is an integer number (38347400).

Almost surely, 2^872548628 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 872548628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (920337600).

872548628 is an abundant number, since it is smaller than the sum of its proper divisors (968126572).

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

872548628 is a wasteful number, since it uses less digits than its factorization.

872548628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360 (or 3358 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 50.

The square root of 872548628 is about 29538.9341039923. The cubic root of 872548628 is about 955.5715548330.

The spelling of 872548628 in words is "eight hundred seventy-two million, five hundred forty-eight thousand, six hundred twenty-eight".