86195833 has 2 divisors, whose sum is σ = 86195834. Its totient is φ = 86195832.

The previous prime is 86195777. The next prime is 86195869. The reversal of 86195833 is 33859168.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44049769 + 42146064 = 6637^2 + 6492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86195833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86195833.

It is not a weakly prime, because it can be changed into another prime (86115833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43097916 + 43097917.

It is an arithmetic number, because the mean of its divisors is an integer number (43097917).

Almost surely, 2^86195833 is an apocalyptic number.

It is an amenable number.

86195833 is a deficient number, since it is larger than the sum of its proper divisors (1).

86195833 is an equidigital number, since it uses as much as digits as its factorization.

86195833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The square root of 86195833 is about 9284.1710992420. The cubic root of 86195833 is about 441.7352840505.

The spelling of 86195833 in words is "eighty-six million, one hundred ninety-five thousand, eight hundred thirty-three".