86886647 has 2 divisors, whose sum is σ = 86886648. Its totient is φ = 86886646.

The previous prime is 86886637. The next prime is 86886659. The reversal of 86886647 is 74668868.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86886647 - 2¹⁴ = 86870263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86886637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43443323 + 43443324.

It is an arithmetic number, because the mean of its divisors is an integer number (43443324).

Almost surely, 2^86886647 is an apocalyptic number.

86886647 is a deficient number, since it is larger than the sum of its proper divisors (1).

86886647 is an equidigital number, since it uses as much as digits as its factorization.

86886647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3096576, while the sum is 53.

The square root of 86886647 is about 9321.3007139562. The cubic root of 86886647 is about 442.9122369443.

The spelling of 86886647 in words is "eighty-six million, eight hundred eighty-six thousand, six hundred forty-seven".