86506502863 has 4 divisors (see below), whose sum is σ = 94370730408. Its totient is φ = 78642275320.

The previous prime is 86506502843. The next prime is 86506502899. The reversal of 86506502863 is 36820560568.

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 86506502863 - 2⁹ = 86506502351 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86506502843) 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, 3932113756 + ... + 3932113777.

It is an arithmetic number, because the mean of its divisors is an integer number (23592682602).

Almost surely, 2^86506502863 is an apocalyptic number.

86506502863 is a deficient number, since it is larger than the sum of its proper divisors (7864227545).

86506502863 is a wasteful number, since it uses less digits than its factorization.

86506502863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7864227544.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 86506502863 in words is "eighty-six billion, five hundred six million, five hundred two thousand, eight hundred sixty-three".