86917063 has 4 divisors (see below), whose sum is σ = 87729480. Its totient is φ = 86104648.

The previous prime is 86917027. The next prime is 86917079. The reversal of 86917063 is 36071968.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86917063 - 2⁹ = 86916551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86917013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406048 + ... + 406261.

It is an arithmetic number, because the mean of its divisors is an integer number (21932370).

Almost surely, 2^86917063 is an apocalyptic number.

86917063 is a deficient number, since it is larger than the sum of its proper divisors (812417).

86917063 is a wasteful number, since it uses less digits than its factorization.

86917063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812416.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 86917063 is about 9322.9321031530. The cubic root of 86917063 is about 442.9639136495.

The spelling of 86917063 in words is "eighty-six million, nine hundred seventeen thousand, sixty-three".