2778273833 has 8 divisors (see below), whose sum is σ = 2878675200. Its totient is φ = 2679649648.

The previous prime is 2778273811. The next prime is 2778273851. The reversal of 2778273833 is 3383728772.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2778273833 - 2¹⁶ = 2778208297 is a prime.

It is a super-2 number, since 2×2778273833² = 15437610982265023778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2778233833) 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 7 ways as a sum of consecutive naturals, for example, 441113 + ... + 447366.

It is an arithmetic number, because the mean of its divisors is an integer number (359834400).

Almost surely, 2^2778273833 is an apocalyptic number.

It is an amenable number.

2778273833 is a deficient number, since it is larger than the sum of its proper divisors (100401367).

2778273833 is an equidigital number, since it uses as much as digits as its factorization.

2778273833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888591.

The product of its digits is 2370816, while the sum is 50.

The square root of 2778273833 is about 52709.3334524352. Note that the first 3 decimals coincide. The cubic root of 2778273833 is about 1405.8047816913.

The spelling of 2778273833 in words is "two billion, seven hundred seventy-eight million, two hundred seventy-three thousand, eight hundred thirty-three".