87039852 has 12 divisors (see below), whose sum is σ = 203093016. Its totient is φ = 29013280.

The previous prime is 87039829. The next prime is 87039853. The reversal of 87039852 is 25893078.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (87039853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3626649 + ... + 3626672.

It is an arithmetic number, because the mean of its divisors is an integer number (16924418).

Almost surely, 2^87039852 is an apocalyptic number.

It is an amenable number.

87039852 is an abundant number, since it is smaller than the sum of its proper divisors (116053164).

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

87039852 is a wasteful number, since it uses less digits than its factorization.

87039852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7253328 (or 7253326 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 87039852 is about 9329.5150999395. The cubic root of 87039852 is about 443.1724093547.

The spelling of 87039852 in words is "eighty-seven million, thirty-nine thousand, eight hundred fifty-two".