863817696 has 120 divisors (see below), whose sum is σ = 2903448240. Its totient is φ = 246799872.

The previous prime is 863817671. The next prime is 863817707. The reversal of 863817696 is 696718368.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5661 + ... + 41948.

It is an arithmetic number, because the mean of its divisors is an integer number (24195402).

Almost surely, 2^863817696 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 863817696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451724120).

863817696 is an abundant number, since it is smaller than the sum of its proper divisors (2039630544).

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

863817696 is a wasteful number, since it uses less digits than its factorization.

863817696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47638 (or 47621 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 863817696 is about 29390.7756957859. The cubic root of 863817696 is about 952.3736381445.

The spelling of 863817696 in words is "eight hundred sixty-three million, eight hundred seventeen thousand, six hundred ninety-six".