872531082 has 64 divisors (see below), whose sum is σ = 2041493760. Its totient is φ = 275692032.

The previous prime is 872531057. The next prime is 872531087. The reversal of 872531082 is 280135278.

It is a super-2 number, since 2×872531082² = 1522620978112181448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (872531087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137238 + ... + 143454.

It is an arithmetic number, because the mean of its divisors is an integer number (31898340).

Almost surely, 2^872531082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 872531082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1020746880).

872531082 is an abundant number, since it is smaller than the sum of its proper divisors (1168962678).

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

872531082 is a wasteful number, since it uses less digits than its factorization.

872531082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364 (or 6358 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 872531082 is about 29538.6371046465. The cubic root of 872531082 is about 955.5651496232.

The spelling of 872531082 in words is "eight hundred seventy-two million, five hundred thirty-one thousand, eighty-two".