863834683768 has 16 divisors (see below), whose sum is σ = 1851074322480. Its totient is φ = 370214864448.

The previous prime is 863834683757. The next prime is 863834683801. The reversal of 863834683768 is 867386438368.

It is a junction number, because it is equal to n+sod(n) for n = 863834683697 and 863834683706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7712809621 + ... + 7712809732.

It is an arithmetic number, because the mean of its divisors is an integer number (115692145155).

Almost surely, 2^863834683768 is an apocalyptic number.

It is an amenable number.

863834683768 is an abundant number, since it is smaller than the sum of its proper divisors (987239638712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863834683768 is a wasteful number, since it uses less digits than its factorization.

863834683768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15425619366 (or 15425619362 counting only the distinct ones).

The product of its digits is 668860416, while the sum is 70.

The spelling of 863834683768 in words is "eight hundred sixty-three billion, eight hundred thirty-four million, six hundred eighty-three thousand, seven hundred sixty-eight".