863146862108 has 12 divisors (see below), whose sum is σ = 1510516712712. Its totient is φ = 431570658480.

The previous prime is 863146862089. The next prime is 863146862197. The reversal of 863146862108 is 801268641368.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 863146862108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110966 + ... + 1318562.

It is an arithmetic number, because the mean of its divisors is an integer number (125876392726).

Almost surely, 2^863146862108 is an apocalyptic number.

It is an amenable number.

863146862108 is a deficient number, since it is larger than the sum of its proper divisors (647369850604).

863146862108 is a wasteful number, since it uses less digits than its factorization.

863146862108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386292 (or 1386290 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 53.

The spelling of 863146862108 in words is "eight hundred sixty-three billion, one hundred forty-six million, eight hundred sixty-two thousand, one hundred eight".