86227481 has 2 divisors, whose sum is σ = 86227482. Its totient is φ = 86227480.

The previous prime is 86227447. The next prime is 86227511. The reversal of 86227481 is 18472268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61387225 + 24840256 = 7835^2 + 4984^2 .

It is a cyclic number.

It is not a de Polignac number, because 86227481 - 2¹⁰ = 86226457 is a prime.

It is a super-2 number, since 2×86227481² = 14870356959210722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83227481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43113740 + 43113741.

It is an arithmetic number, because the mean of its divisors is an integer number (43113741).

Almost surely, 2^86227481 is an apocalyptic number.

It is an amenable number.

86227481 is a deficient number, since it is larger than the sum of its proper divisors (1).

86227481 is an equidigital number, since it uses as much as digits as its factorization.

86227481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 38.

The square root of 86227481 is about 9285.8753491526. The cubic root of 86227481 is about 441.7893405214.

The spelling of 86227481 in words is "eighty-six million, two hundred twenty-seven thousand, four hundred eighty-one".