86318251073 has 2 divisors, whose sum is σ = 86318251074. Its totient is φ = 86318251072.

The previous prime is 86318250983. The next prime is 86318251121. The reversal of 86318251073 is 37015281368.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84127262209 + 2190988864 = 290047^2 + 46808^2 .

It is a cyclic number.

It is not a de Polignac number, because 86318251073 - 2⁸ = 86318250817 is a prime.

It is not a weakly prime, because it can be changed into another prime (86618251073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43159125536 + 43159125537.

It is an arithmetic number, because the mean of its divisors is an integer number (43159125537).

Almost surely, 2^86318251073 is an apocalyptic number.

It is an amenable number.

86318251073 is a deficient number, since it is larger than the sum of its proper divisors (1).

86318251073 is an equidigital number, since it uses as much as digits as its factorization.

86318251073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 86318251073 in words is "eighty-six billion, three hundred eighteen million, two hundred fifty-one thousand, seventy-three".