86459750081 has 4 divisors (see below), whose sum is σ = 86460824532. Its totient is φ = 86458675632.

The previous prime is 86459750051. The next prime is 86459750093. The reversal of 86459750081 is 18005795468.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80551521856 + 5908228225 = 283816^2 + 76865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86459750081 is a prime.

It is a super-2 number, since 2×86459750081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86459750051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405806 + ... + 581031.

It is an arithmetic number, because the mean of its divisors is an integer number (21615206133).

Almost surely, 2^86459750081 is an apocalyptic number.

It is an amenable number.

86459750081 is a deficient number, since it is larger than the sum of its proper divisors (1074451).

86459750081 is an equidigital number, since it uses as much as digits as its factorization.

86459750081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074450.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 86459750081 in words is "eighty-six billion, four hundred fifty-nine million, seven hundred fifty thousand, eighty-one".