86243259 has 8 divisors (see below), whose sum is σ = 115075072. Its totient is φ = 57453480.

The previous prime is 86243233. The next prime is 86243291. The reversal of 86243259 is 95234268.

It is a happy number.

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

It is not a de Polignac number, because 86243259 - 2¹² = 86239163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86243219) 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, 5359 + ... + 14184.

It is an arithmetic number, because the mean of its divisors is an integer number (14384384).

Almost surely, 2^86243259 is an apocalyptic number.

86243259 is a deficient number, since it is larger than the sum of its proper divisors (28831813).

86243259 is a wasteful number, since it uses less digits than its factorization.

86243259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21017.

The product of its digits is 103680, while the sum is 39.

The square root of 86243259 is about 9286.7248801717. The cubic root of 86243259 is about 441.8162852457.

The spelling of 86243259 in words is "eighty-six million, two hundred forty-three thousand, two hundred fifty-nine".