2788828181 has 16 divisors (see below), whose sum is σ = 2907052800. Its totient is φ = 2672163648.

The previous prime is 2788828171. The next prime is 2788828183. The reversal of 2788828181 is 1818288872.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2788828181 - 2⁶ = 2788828117 is a prime.

It is a super-2 number, since 2×2788828181² = 15555125246279537522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788828183) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3074330 + ... + 3075236.

It is an arithmetic number, because the mean of its divisors is an integer number (181690800).

Almost surely, 2^2788828181 is an apocalyptic number.

It is an amenable number.

2788828181 is a deficient number, since it is larger than the sum of its proper divisors (118224619).

2788828181 is a wasteful number, since it uses less digits than its factorization.

2788828181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628.

The product of its digits is 917504, while the sum is 53.

The square root of 2788828181 is about 52809.3569455262. The cubic root of 2788828181 is about 1407.5826966671.

The spelling of 2788828181 in words is "two billion, seven hundred eighty-eight million, eight hundred twenty-eight thousand, one hundred eighty-one".