868343808 has 112 divisors (see below), whose sum is σ = 2347356240. Its totient is φ = 285474816.

The previous prime is 868343807. The next prime is 868343809. The reversal of 868343808 is 808343868.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (868343807) and next prime (868343809).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868343803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2187066 + ... + 2187462.

Almost surely, 2^868343808 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 868343808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1173678120).

868343808 is an abundant number, since it is smaller than the sum of its proper divisors (1479012432).

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

868343808 is an equidigital number, since it uses as much as digits as its factorization.

868343808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 868343808 is about 29467.6739496011. The cubic root of 868343808 is about 954.0341131128.

The spelling of 868343808 in words is "eight hundred sixty-eight million, three hundred forty-three thousand, eight hundred eight".