863794688 has 40 divisors (see below), whose sum is σ = 1730981472. Its totient is φ = 430626816.

The previous prime is 863794681. The next prime is 863794697. The reversal of 863794688 is 886497368.

It is a super-2 number, since 2×863794688² = 1492282526034034688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863794681) 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, 185606 + ... + 190202.

Almost surely, 2^863794688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 863794688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865490736).

863794688 is an abundant number, since it is smaller than the sum of its proper divisors (867186784).

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

863794688 is an equidigital number, since it uses as much as digits as its factorization.

863794688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982 (or 4966 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 59.

The square root of 863794688 is about 29390.3842778552. The cubic root of 863794688 is about 952.3651824995.

The spelling of 863794688 in words is "eight hundred sixty-three million, seven hundred ninety-four thousand, six hundred eighty-eight".