87944075 has 12 divisors (see below), whose sum is σ = 109354608. Its totient is φ = 70159200.

The previous prime is 87944069. The next prime is 87944089. The reversal of 87944075 is 57044978.

It is not a de Polignac number, because 87944075 - 2⁶ = 87944011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4610 + ... + 14040.

It is an arithmetic number, because the mean of its divisors is an integer number (9112884).

Almost surely, 2^87944075 is an apocalyptic number.

87944075 is a deficient number, since it is larger than the sum of its proper divisors (21410533).

87944075 is a wasteful number, since it uses less digits than its factorization.

87944075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9814 (or 9809 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 87944075 is about 9377.8502333957. The cubic root of 87944075 is about 444.7017738386.

The spelling of 87944075 in words is "eighty-seven million, nine hundred forty-four thousand, seventy-five".