86633000081 has 2 divisors, whose sum is σ = 86633000082. Its totient is φ = 86633000080.

The previous prime is 86633000053. The next prime is 86633000131. The reversal of 86633000081 is 18000033668.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70002576400 + 16630423681 = 264580^2 + 128959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86633000081 is a prime.

It is a super-2 number, since 2×86633000081² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (86633000981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43316500040 + 43316500041.

It is an arithmetic number, because the mean of its divisors is an integer number (43316500041).

Almost surely, 2^86633000081 is an apocalyptic number.

It is an amenable number.

86633000081 is a deficient number, since it is larger than the sum of its proper divisors (1).

86633000081 is an equidigital number, since it uses as much as digits as its factorization.

86633000081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 86633000081 in words is "eighty-six billion, six hundred thirty-three million, eighty-one", and thus it is an aban number.