86427073 has 2 divisors, whose sum is σ = 86427074. Its totient is φ = 86427072.

The previous prime is 86427071. The next prime is 86427113. The reversal of 86427073 is 37072468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73667889 + 12759184 = 8583^2 + 3572^2 .

It is a cyclic number.

It is not a de Polignac number, because 86427073 - 2¹ = 86427071 is a prime.

Together with 86427071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (86427071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43213536 + 43213537.

It is an arithmetic number, because the mean of its divisors is an integer number (43213537).

Almost surely, 2^86427073 is an apocalyptic number.

It is an amenable number.

86427073 is a deficient number, since it is larger than the sum of its proper divisors (1).

86427073 is an equidigital number, since it uses as much as digits as its factorization.

86427073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 86427073 is about 9296.6162123646. The cubic root of 86427073 is about 442.1299499151.

The spelling of 86427073 in words is "eighty-six million, four hundred twenty-seven thousand, seventy-three".