87015344 has 20 divisors (see below), whose sum is σ = 181561296. Its totient is φ = 40160832.

The previous prime is 87015329. The next prime is 87015349. The reversal of 87015344 is 44351078.

It is a self number, because there is not a number n which added to its sum of digits gives 87015344.

It is not an unprimeable number, because it can be changed into a prime (87015349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208964 + ... + 209379.

Almost surely, 2^87015344 is an apocalyptic number.

It is an amenable number.

87015344 is an abundant number, since it is smaller than the sum of its proper divisors (94545952).

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

87015344 is a wasteful number, since it uses less digits than its factorization.

87015344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418364 (or 418358 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 87015344 is about 9328.2015415620. The cubic root of 87015344 is about 443.1308104445.

The spelling of 87015344 in words is "eighty-seven million, fifteen thousand, three hundred forty-four".