87443441 has 8 divisors (see below), whose sum is σ = 88732800. Its totient is φ = 86158800.

The previous prime is 87443423. The next prime is 87443449. The reversal of 87443441 is 14434478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87443441 - 2²² = 83249137 is a prime.

It is a super-4 number, since 4×87443441⁴ (a number of 33 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87443449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54590 + ... + 56168.

It is an arithmetic number, because the mean of its divisors is an integer number (11091600).

Almost surely, 2^87443441 is an apocalyptic number.

It is an amenable number.

87443441 is a deficient number, since it is larger than the sum of its proper divisors (1289359).

87443441 is a wasteful number, since it uses less digits than its factorization.

87443441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359.

The product of its digits is 43008, while the sum is 35.

The square root of 87443441 is about 9351.1197725192. The cubic root of 87443441 is about 443.8563250872.

The spelling of 87443441 in words is "eighty-seven million, four hundred forty-three thousand, four hundred forty-one".