86506803 has 24 divisors (see below), whose sum is σ = 128409840. Its totient is φ = 56097600.

The previous prime is 86506801. The next prime is 86506813. The reversal of 86506803 is 30860568.

It is not a de Polignac number, because 86506803 - 2¹ = 86506801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86506801) 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 23 ways as a sum of consecutive naturals, for example, 52825 + ... + 54437.

It is an arithmetic number, because the mean of its divisors is an integer number (5350410).

Almost surely, 2^86506803 is an apocalyptic number.

86506803 is a deficient number, since it is larger than the sum of its proper divisors (41903037).

86506803 is a wasteful number, since it uses less digits than its factorization.

86506803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 86506803 is about 9300.9033432242. The cubic root of 86506803 is about 442.2658648370.

The spelling of 86506803 in words is "eighty-six million, five hundred six thousand, eight hundred three".