86648563 has 2 divisors, whose sum is σ = 86648564. Its totient is φ = 86648562.

The previous prime is 86648557. The next prime is 86648603. The reversal of 86648563 is 36584668.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86648563 is a prime.

It is not a weakly prime, because it can be changed into another prime (86648533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43324281 + 43324282.

It is an arithmetic number, because the mean of its divisors is an integer number (43324282).

Almost surely, 2^86648563 is an apocalyptic number.

86648563 is a deficient number, since it is larger than the sum of its proper divisors (1).

86648563 is an equidigital number, since it uses as much as digits as its factorization.

86648563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 46.

The square root of 86648563 is about 9308.5209888575. The cubic root of 86648563 is about 442.5073155717.

The spelling of 86648563 in words is "eighty-six million, six hundred forty-eight thousand, five hundred sixty-three".