86218059 has 4 divisors (see below), whose sum is σ = 114957416. Its totient is φ = 57478704.

The previous prime is 86218031. The next prime is 86218061. The reversal of 86218059 is 95081268.

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

It is not a de Polignac number, because 86218059 - 2²⁵ = 52663627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86213059) 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 3 ways as a sum of consecutive naturals, for example, 14369674 + ... + 14369679.

It is an arithmetic number, because the mean of its divisors is an integer number (28739354).

Almost surely, 2^86218059 is an apocalyptic number.

86218059 is a deficient number, since it is larger than the sum of its proper divisors (28739357).

86218059 is a wasteful number, since it uses less digits than its factorization.

86218059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28739356.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 86218059 is about 9285.3680056312. The cubic root of 86218059 is about 441.7732486261.

The spelling of 86218059 in words is "eighty-six million, two hundred eighteen thousand, fifty-nine".