86323873 has 2 divisors, whose sum is σ = 86323874. Its totient is φ = 86323872.

The previous prime is 86323847. The next prime is 86323879. The reversal of 86323873 is 37832368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76160529 + 10163344 = 8727^2 + 3188^2 .

It is a cyclic number.

It is not a de Polignac number, because 86323873 - 2¹⁷ = 86192801 is a prime.

It is a super-2 number, since 2×86323873² = 14903622099440258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86323879) 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, 43161936 + 43161937.

It is an arithmetic number, because the mean of its divisors is an integer number (43161937).

Almost surely, 2^86323873 is an apocalyptic number.

It is an amenable number.

86323873 is a deficient number, since it is larger than the sum of its proper divisors (1).

86323873 is an equidigital number, since it uses as much as digits as its factorization.

86323873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 86323873 is about 9291.0641478789. The cubic root of 86323873 is about 441.9539017463.

The spelling of 86323873 in words is "eighty-six million, three hundred twenty-three thousand, eight hundred seventy-three".