86220011 has 2 divisors, whose sum is σ = 86220012. Its totient is φ = 86220010.

The previous prime is 86219999. The next prime is 86220041. The reversal of 86220011 is 11002268.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86220011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86220041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43110005 + 43110006.

It is an arithmetic number, because the mean of its divisors is an integer number (43110006).

Almost surely, 2^86220011 is an apocalyptic number.

86220011 is a deficient number, since it is larger than the sum of its proper divisors (1).

86220011 is an equidigital number, since it uses as much as digits as its factorization.

86220011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 86220011 is about 9285.4731166484. The cubic root of 86220011 is about 441.7765825560.

Adding to 86220011 its reverse (11002268), we get a palindrome (97222279).

The spelling of 86220011 in words is "eighty-six million, two hundred twenty thousand, eleven".