86311259 has 4 divisors (see below), whose sum is σ = 86379816. Its totient is φ = 86242704.

The previous prime is 86311237. The next prime is 86311283. The reversal of 86311259 is 95211368.

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 86311259 - 2⁸ = 86311003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86011259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32354 + ... + 34919.

It is an arithmetic number, because the mean of its divisors is an integer number (21594954).

Almost surely, 2^86311259 is an apocalyptic number.

86311259 is a deficient number, since it is larger than the sum of its proper divisors (68557).

86311259 is a wasteful number, since it uses less digits than its factorization.

86311259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68556.

The product of its digits is 12960, while the sum is 35.

The square root of 86311259 is about 9290.3852987914. The cubic root of 86311259 is about 441.9323739893.

The spelling of 86311259 in words is "eighty-six million, three hundred eleven thousand, two hundred fifty-nine".