86391103 has 2 divisors, whose sum is σ = 86391104. Its totient is φ = 86391102.

The previous prime is 86391101. The next prime is 86391169. The reversal of 86391103 is 30119368.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86391103 - 2¹ = 86391101 is a prime.

Together with 86391101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86391101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43195551 + 43195552.

It is an arithmetic number, because the mean of its divisors is an integer number (43195552).

Almost surely, 2^86391103 is an apocalyptic number.

86391103 is a deficient number, since it is larger than the sum of its proper divisors (1).

86391103 is an equidigital number, since it uses as much as digits as its factorization.

86391103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 86391103 is about 9294.6814361763. The cubic root of 86391103 is about 442.0686048584.

The spelling of 86391103 in words is "eighty-six million, three hundred ninety-one thousand, one hundred three".