86055647 has 2 divisors, whose sum is σ = 86055648. Its totient is φ = 86055646.

The previous prime is 86055611. The next prime is 86055661. The reversal of 86055647 is 74655068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86055647 - 2⁶ = 86055583 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86055667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43027823 + 43027824.

It is an arithmetic number, because the mean of its divisors is an integer number (43027824).

Almost surely, 2^86055647 is an apocalyptic number.

86055647 is a deficient number, since it is larger than the sum of its proper divisors (1).

86055647 is an equidigital number, since it uses as much as digits as its factorization.

86055647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 86055647 is about 9276.6182954782. The cubic root of 86055647 is about 441.4956796454.

The spelling of 86055647 in words is "eighty-six million, fifty-five thousand, six hundred forty-seven".