86259399 has 4 divisors (see below), whose sum is σ = 115012536. Its totient is φ = 57506264.

The previous prime is 86259379. The next prime is 86259401. The reversal of 86259399 is 99395268.

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

It is a cyclic number.

It is not a de Polignac number, because 86259399 - 2¹⁷ = 86128327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86259379) 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, 14376564 + ... + 14376569.

It is an arithmetic number, because the mean of its divisors is an integer number (28753134).

Almost surely, 2^86259399 is an apocalyptic number.

86259399 is a deficient number, since it is larger than the sum of its proper divisors (28753137).

86259399 is a wasteful number, since it uses less digits than its factorization.

86259399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28753136.

The product of its digits is 1049760, while the sum is 51.

The square root of 86259399 is about 9287.5938218680. The cubic root of 86259399 is about 441.8438447718.

The spelling of 86259399 in words is "eighty-six million, two hundred fifty-nine thousand, three hundred ninety-nine".