86996563 has 2 divisors, whose sum is σ = 86996564. Its totient is φ = 86996562.

The previous prime is 86996561. The next prime is 86996593. The reversal of 86996563 is 36569968.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86996563 - 2¹ = 86996561 is a prime.

Together with 86996561, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 86996563.

It is not a weakly prime, because it can be changed into another prime (86996561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43498281 + 43498282.

It is an arithmetic number, because the mean of its divisors is an integer number (43498282).

Almost surely, 2^86996563 is an apocalyptic number.

86996563 is a deficient number, since it is larger than the sum of its proper divisors (1).

86996563 is an equidigital number, since it uses as much as digits as its factorization.

86996563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 52.

The square root of 86996563 is about 9327.1948087300. The cubic root of 86996563 is about 443.0989270310.

The spelling of 86996563 in words is "eighty-six million, nine hundred ninety-six thousand, five hundred sixty-three".