86446091 has 2 divisors, whose sum is σ = 86446092. Its totient is φ = 86446090.

The previous prime is 86446069. The next prime is 86446093. The reversal of 86446091 is 19064468.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86446091 - 2²² = 82251787 is a prime.

It is a Sophie Germain prime.

Together with 86446093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86446093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43223045 + 43223046.

It is an arithmetic number, because the mean of its divisors is an integer number (43223046).

Almost surely, 2^86446091 is an apocalyptic number.

86446091 is a deficient number, since it is larger than the sum of its proper divisors (1).

86446091 is an equidigital number, since it uses as much as digits as its factorization.

86446091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 86446091 is about 9297.6390013809. The cubic root of 86446091 is about 442.1623772955.

The spelling of 86446091 in words is "eighty-six million, four hundred forty-six thousand, ninety-one".