86987441 has 8 divisors (see below), whose sum is σ = 87586944. Its totient is φ = 86390640.

The previous prime is 86987431. The next prime is 86987447. The reversal of 86987441 is 14478968.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86987441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86987447) 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, 154226 + ... + 154788.

It is an arithmetic number, because the mean of its divisors is an integer number (10948368).

Almost surely, 2^86987441 is an apocalyptic number.

It is an amenable number.

86987441 is a deficient number, since it is larger than the sum of its proper divisors (599503).

86987441 is a wasteful number, since it uses less digits than its factorization.

86987441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351.

The product of its digits is 387072, while the sum is 47.

The square root of 86987441 is about 9326.7057957244. The cubic root of 86987441 is about 443.0834394854.

The spelling of 86987441 in words is "eighty-six million, nine hundred eighty-seven thousand, four hundred forty-one".