863686054 has 48 divisors (see below), whose sum is σ = 1740793680. Its totient is φ = 316700160.

The previous prime is 863686027. The next prime is 863686063. The reversal of 863686054 is 450686368.

It is a junction number, because it is equal to n+sod(n) for n = 863685995 and 863686013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5239 + ... + 41890.

It is an arithmetic number, because the mean of its divisors is an integer number (36266535).

Almost surely, 2^863686054 is an apocalyptic number.

863686054 is an abundant number, since it is smaller than the sum of its proper divisors (877107626).

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

863686054 is a wasteful number, since it uses less digits than its factorization.

863686054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47173 (or 47166 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 863686054 is about 29388.5360982816. The cubic root of 863686054 is about 952.3252565086.

The spelling of 863686054 in words is "eight hundred sixty-three million, six hundred eighty-six thousand, fifty-four".