87844416 has 56 divisors (see below), whose sum is σ = 253557024. Its totient is φ = 26618880.

The previous prime is 87844409. The next prime is 87844439. The reversal of 87844416 is 61444878.

It is a happy number.

87844416 is nontrivially palindromic in base 7.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18685 + ... + 22908.

It is an arithmetic number, because the mean of its divisors is an integer number (4527804).

Almost surely, 2^87844416 is an apocalyptic number.

It is an amenable number.

87844416 is an abundant number, since it is smaller than the sum of its proper divisors (165712608).

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

87844416 is a wasteful number, since it uses less digits than its factorization.

87844416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41619 (or 41609 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 87844416 is about 9372.5351959862. The cubic root of 87844416 is about 444.5337303582.

The spelling of 87844416 in words is "eighty-seven million, eight hundred forty-four thousand, four hundred sixteen".