803128788 has 108 divisors (see below), whose sum is σ = 2550344160. Its totient is φ = 208596960.

The previous prime is 803128763. The next prime is 803128847. The reversal of 803128788 is 887821308.

It is a happy number.

It is a super-2 number, since 2×803128788² = 1290031700228697888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17323 + ... + 43661.

Almost surely, 2^803128788 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 803128788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1275172080).

803128788 is an abundant number, since it is smaller than the sum of its proper divisors (1747215372).

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

803128788 is a wasteful number, since it uses less digits than its factorization.

803128788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26378 (or 26362 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 803128788 is about 28339.5269544147. The cubic root of 803128788 is about 929.5264047212.

The spelling of 803128788 in words is "eight hundred three million, one hundred twenty-eight thousand, seven hundred eighty-eight".