86093881 has 2 divisors, whose sum is σ = 86093882. Its totient is φ = 86093880.

The previous prime is 86093879. The next prime is 86093893. The reversal of 86093881 is 18839068.

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., 81721600 + 4372281 = 9040^2 + 2091^2 .

It is a cyclic number.

It is not a de Polignac number, because 86093881 - 2¹ = 86093879 is a prime.

It is a super-3 number, since 3×86093881³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 86093879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (86093081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43046940 + 43046941.

It is an arithmetic number, because the mean of its divisors is an integer number (43046941).

Almost surely, 2^86093881 is an apocalyptic number.

It is an amenable number.

86093881 is a deficient number, since it is larger than the sum of its proper divisors (1).

86093881 is an equidigital number, since it uses as much as digits as its factorization.

86093881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 86093881 is about 9278.6788391452. The cubic root of 86093881 is about 441.5610545786.

The spelling of 86093881 in words is "eighty-six million, ninety-three thousand, eight hundred eighty-one".