8102863 has 4 divisors (see below), whose sum is σ = 8579520. Its totient is φ = 7626208.

The previous prime is 8102851. The next prime is 8102867. The reversal of 8102863 is 3682018.

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 8102863 - 2⁹ = 8102351 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 (8102867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238303 + ... + 238336.

It is an arithmetic number, because the mean of its divisors is an integer number (2144880).

Almost surely, 2^8102863 is an apocalyptic number.

8102863 is a deficient number, since it is larger than the sum of its proper divisors (476657).

8102863 is a wasteful number, since it uses less digits than its factorization.

8102863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476656.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 8102863 is about 2846.5528275442. The cubic root of 8102863 is about 200.8535437996.

The spelling of 8102863 in words is "eight million, one hundred two thousand, eight hundred sixty-three".