86326257 has 16 divisors (see below), whose sum is σ = 116704640. Its totient is φ = 56754432.

The previous prime is 86326231. The next prime is 86326259. The reversal of 86326257 is 75262368.

It is not a de Polignac number, because 86326257 - 2⁶ = 86326193 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86326259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103719 + ... + 104547.

It is an arithmetic number, because the mean of its divisors is an integer number (7294040).

Almost surely, 2^86326257 is an apocalyptic number.

It is an amenable number.

86326257 is a deficient number, since it is larger than the sum of its proper divisors (30378383).

86326257 is a wasteful number, since it uses less digits than its factorization.

86326257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272.

The product of its digits is 120960, while the sum is 39.

The square root of 86326257 is about 9291.1924423079. The cubic root of 86326257 is about 441.9579701782.

The spelling of 86326257 in words is "eighty-six million, three hundred twenty-six thousand, two hundred fifty-seven".