87843144 has 16 divisors (see below), whose sum is σ = 219607920. Its totient is φ = 29281040.

The previous prime is 87843127. The next prime is 87843157. The reversal of 87843144 is 44134878.

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 3 ways as a sum of consecutive naturals, for example, 1830042 + ... + 1830089.

It is an arithmetic number, because the mean of its divisors is an integer number (13725495).

Almost surely, 2^87843144 is an apocalyptic number.

It is an amenable number.

87843144 is an abundant number, since it is smaller than the sum of its proper divisors (131764776).

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

87843144 is a wasteful number, since it uses less digits than its factorization.

87843144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660140 (or 3660136 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 87843144 is about 9372.4673378999. The cubic root of 87843144 is about 444.5315847100.

It can be divided in two parts, 878431 and 44, that added together give a triangular number (878475 = T₁₃₂₅).

The spelling of 87843144 in words is "eighty-seven million, eight hundred forty-three thousand, one hundred forty-four".