863195063 has 4 divisors (see below), whose sum is σ = 892960440. Its totient is φ = 833429688.

The previous prime is 863195057. The next prime is 863195071. The reversal of 863195063 is 360591368.

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 863195063 - 2¹² = 863190967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 863195063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863195033) 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, 14882645 + ... + 14882702.

It is an arithmetic number, because the mean of its divisors is an integer number (223240110).

Almost surely, 2^863195063 is an apocalyptic number.

863195063 is a deficient number, since it is larger than the sum of its proper divisors (29765377).

863195063 is a wasteful number, since it uses less digits than its factorization.

863195063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29765376.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 863195063 is about 29380.1814664239. The cubic root of 863195063 is about 952.1447620028.

The spelling of 863195063 in words is "eight hundred sixty-three million, one hundred ninety-five thousand, sixty-three".