86985193 has 2 divisors, whose sum is σ = 86985194. Its totient is φ = 86985192.

The previous prime is 86985169. The next prime is 86985271. The reversal of 86985193 is 39158968.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64593369 + 22391824 = 8037^2 + 4732^2 .

It is a cyclic number.

It is not a de Polignac number, because 86985193 - 2¹³ = 86977001 is a prime.

It is not a weakly prime, because it can be changed into another prime (86985133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43492596 + 43492597.

It is an arithmetic number, because the mean of its divisors is an integer number (43492597).

Almost surely, 2^86985193 is an apocalyptic number.

It is an amenable number.

86985193 is a deficient number, since it is larger than the sum of its proper divisors (1).

86985193 is an equidigital number, since it uses as much as digits as its factorization.

86985193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 49.

The square root of 86985193 is about 9326.5852807981. The cubic root of 86985193 is about 443.0796226120.

It can be divided in two parts, 86985 and 193, that added together give a palindrome (87178).

The spelling of 86985193 in words is "eighty-six million, nine hundred eighty-five thousand, one hundred ninety-three".