86497133 has 2 divisors, whose sum is σ = 86497134. Its totient is φ = 86497132.

The previous prime is 86497051. The next prime is 86497153. The reversal of 86497133 is 33179468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74684164 + 11812969 = 8642^2 + 3437^2 .

It is a cyclic number.

It is not a de Polignac number, because 86497133 - 2²⁰ = 85448557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86497153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43248566 + 43248567.

It is an arithmetic number, because the mean of its divisors is an integer number (43248567).

Almost surely, 2^86497133 is an apocalyptic number.

It is an amenable number.

86497133 is a deficient number, since it is larger than the sum of its proper divisors (1).

86497133 is an equidigital number, since it uses as much as digits as its factorization.

86497133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 86497133 is about 9300.3834867171. The cubic root of 86497133 is about 442.2493849375.

The spelling of 86497133 in words is "eighty-six million, four hundred ninety-seven thousand, one hundred thirty-three".