803811568 has 80 divisors (see below), whose sum is σ = 1909163520. Its totient is φ = 320156928.

The previous prime is 803811557. The next prime is 803811607. The reversal of 803811568 is 865118308.

It is a super-2 number, since 2×803811568² = 1292226073701237248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 803811568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109221 + ... + 116347.

It is an arithmetic number, because the mean of its divisors is an integer number (23864544).

Almost surely, 2^803811568 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 803811568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954581760).

803811568 is an abundant number, since it is smaller than the sum of its proper divisors (1105351952).

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

803811568 is a wasteful number, since it uses less digits than its factorization.

803811568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7214 (or 7208 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 803811568 is about 28351.5708206794. The cubic root of 803811568 is about 929.7897424243.

The spelling of 803811568 in words is "eight hundred three million, eight hundred eleven thousand, five hundred sixty-eight".