807810668 has 36 divisors (see below), whose sum is σ = 1650519360. Its totient is φ = 344931552.

The previous prime is 807810637. The next prime is 807810691. The reversal of 807810668 is 866018708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46853 + ... + 61731.

It is an arithmetic number, because the mean of its divisors is an integer number (45847760).

Almost surely, 2^807810668 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 807810668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825259680).

807810668 is an abundant number, since it is smaller than the sum of its proper divisors (842708692).

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

807810668 is a wasteful number, since it uses less digits than its factorization.

807810668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15174 (or 15165 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 807810668 is about 28422.0102737298. The cubic root of 807810668 is about 931.3291466266.

The spelling of 807810668 in words is "eight hundred seven million, eight hundred ten thousand, six hundred sixty-eight".