87471589 has 8 divisors (see below), whose sum is σ = 91926560. Its totient is φ = 83126736.

The previous prime is 87471581. The next prime is 87471607. The reversal of 87471589 is 98517478.

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 87471589 - 2³ = 87471581 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 (87471581) 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, 25899 + ... + 29080.

It is an arithmetic number, because the mean of its divisors is an integer number (11490820).

Almost surely, 2^87471589 is an apocalyptic number.

It is an amenable number.

87471589 is a deficient number, since it is larger than the sum of its proper divisors (4454971).

87471589 is a wasteful number, since it uses less digits than its factorization.

87471589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55059.

The product of its digits is 564480, while the sum is 49.

The square root of 87471589 is about 9352.6247118122. The cubic root of 87471589 is about 443.9039456877.

The spelling of 87471589 in words is "eighty-seven million, four hundred seventy-one thousand, five hundred eighty-nine".