803278090404 has 18 divisors (see below), whose sum is σ = 2030508506390. Its totient is φ = 267759363456.

The previous prime is 803278090397. The next prime is 803278090421. The reversal of 803278090404 is 404090872308.

803278090404 is a `hidden beast` number, since 80 + 3 + 2 + 7 + 80 + 90 + 404 = 666.

It can be written as a sum of positive squares in only one way, i.e., 591742485504 + 211535604900 = 769248^2 + 459930^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 803278090404.

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 5 ways as a sum of consecutive naturals, for example, 11156640109 + ... + 11156640180.

Almost surely, 2^803278090404 is an apocalyptic number.

It is an amenable number.

803278090404 is an abundant number, since it is smaller than the sum of its proper divisors (1227230415986).

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

803278090404 is a wasteful number, since it uses less digits than its factorization.

803278090404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22313280299 (or 22313280294 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 803278090404 in words is "eight hundred three billion, two hundred seventy-eight million, ninety thousand, four hundred four".