5581778884 has 144 divisors (see below), whose sum is σ = 11711831040. Its totient is φ = 2318500800.

The previous prime is 5581778833. The next prime is 5581778921. The reversal of 5581778884 is 4888771855.

It is a super-3 number, since 3×5581778884³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54191977 + ... + 54192079.

It is an arithmetic number, because the mean of its divisors is an integer number (81332160).

Almost surely, 2^5581778884 is an apocalyptic number.

It is an amenable number.

5581778884 is an abundant number, since it is smaller than the sum of its proper divisors (6130052156).

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

5581778884 is a wasteful number, since it uses less digits than its factorization.

5581778884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 289 counting only the distinct ones).

The product of its digits is 20070400, while the sum is 61.

The square root of 5581778884 is about 74711.3035892160. The cubic root of 5581778884 is about 1773.8798867287.

The spelling of 5581778884 in words is "five billion, five hundred eighty-one million, seven hundred seventy-eight thousand, eight hundred eighty-four".