87840852 has 48 divisors (see below), whose sum is σ = 227404800. Its totient is φ = 26164960.

The previous prime is 87840847. The next prime is 87840899. The reversal of 87840852 is 25804878.

It is a super-3 number, since 3×87840852³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

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, 2149 + ... + 13427.

It is an arithmetic number, because the mean of its divisors is an integer number (4737600).

Almost surely, 2^87840852 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 87840852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113702400).

87840852 is an abundant number, since it is smaller than the sum of its proper divisors (139563948).

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

87840852 is a wasteful number, since it uses less digits than its factorization.

87840852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11356 (or 11354 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 87840852 is about 9372.3450640701. The cubic root of 87840852 is about 444.5277184426.

The spelling of 87840852 in words is "eighty-seven million, eight hundred forty thousand, eight hundred fifty-two".