86133389 has 2 divisors, whose sum is σ = 86133390. Its totient is φ = 86133388.

The previous prime is 86133379. The next prime is 86133401. The reversal of 86133389 is 98333168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51122500 + 35010889 = 7150^2 + 5917^2 .

It is a cyclic number.

It is not a de Polignac number, because 86133389 - 2²⁴ = 69356173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86133319) 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 as a sum of consecutive naturals, namely, 43066694 + 43066695.

It is an arithmetic number, because the mean of its divisors is an integer number (43066695).

Almost surely, 2^86133389 is an apocalyptic number.

It is an amenable number.

86133389 is a deficient number, since it is larger than the sum of its proper divisors (1).

86133389 is an equidigital number, since it uses as much as digits as its factorization.

86133389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 86133389 is about 9280.8075618450. The cubic root of 86133389 is about 441.6285875481.

The spelling of 86133389 in words is "eighty-six million, one hundred thirty-three thousand, three hundred eighty-nine".