87441671 has 4 divisors (see below), whose sum is σ = 87489432. Its totient is φ = 87393912.

The previous prime is 87441647. The next prime is 87441677. The reversal of 87441671 is 17614478.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87441671 - 2¹⁴ = 87425287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87441677) 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, 21020 + ... + 24833.

It is an arithmetic number, because the mean of its divisors is an integer number (21872358).

Almost surely, 2^87441671 is an apocalyptic number.

87441671 is a deficient number, since it is larger than the sum of its proper divisors (47761).

87441671 is a wasteful number, since it uses less digits than its factorization.

87441671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47760.

The product of its digits is 37632, while the sum is 38.

The square root of 87441671 is about 9351.0251309683. The cubic root of 87441671 is about 443.8533302714.

The spelling of 87441671 in words is "eighty-seven million, four hundred forty-one thousand, six hundred seventy-one".