87044444 has 12 divisors (see below), whose sum is σ = 155202264. Its totient is φ = 42700944.

The previous prime is 87044429. The next prime is 87044449. The reversal of 87044444 is 44444078.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87044449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205082 + ... + 205505.

It is an arithmetic number, because the mean of its divisors is an integer number (12933522).

Almost surely, 2^87044444 is an apocalyptic number.

It is an amenable number.

87044444 is a deficient number, since it is larger than the sum of its proper divisors (68157820).

87044444 is a wasteful number, since it uses less digits than its factorization.

87044444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410644 (or 410642 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 35.

The square root of 87044444 is about 9329.7611973726. The cubic root of 87044444 is about 443.1802027653.

The spelling of 87044444 in words is "eighty-seven million, forty-four thousand, four hundred forty-four".