86841885 has 32 divisors (see below), whose sum is σ = 150087168. Its totient is φ = 42624000.

The previous prime is 86841877. The next prime is 86841889. The reversal of 86841885 is 58814868.

It is not a de Polignac number, because 86841885 - 2³ = 86841877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86841889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115260 + ... + 116010.

It is an arithmetic number, because the mean of its divisors is an integer number (4690224).

Almost surely, 2^86841885 is an apocalyptic number.

It is an amenable number.

86841885 is a deficient number, since it is larger than the sum of its proper divisors (63245283).

86841885 is a wasteful number, since it uses less digits than its factorization.

86841885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365.

The product of its digits is 491520, while the sum is 48.

The square root of 86841885 is about 9318.8993448797. The cubic root of 86841885 is about 442.8361644837.

The spelling of 86841885 in words is "eighty-six million, eight hundred forty-one thousand, eight hundred eighty-five".