2778027848 has 48 divisors (see below), whose sum is σ = 5573107980. Its totient is φ = 1297783296.

The previous prime is 2778027841. The next prime is 2778027853. The reversal of 2778027848 is 8487208772.

It is a Cunningham number, because it is equal to 52707²-1.

It can be written as a sum of positive squares in 2 ways, for example, as 2745969604 + 32058244 = 52402^2 + 5662^2 .

It is a super-2 number, since 2×2778027848² = 15434877448527022208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2778027848.

It is not an unprimeable number, because it can be changed into a prime (2778027841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204236 + ... + 217412.

Almost surely, 2^2778027848 is an apocalyptic number.

It is an amenable number.

2778027848 is an abundant number, since it is smaller than the sum of its proper divisors (2795080132).

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

2778027848 is a wasteful number, since it uses less digits than its factorization.

2778027848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13294 (or 13271 counting only the distinct ones).

The product of its (nonzero) digits is 2809856, while the sum is 53.

The square root of 2778027848 is about 52706.9999905136. Note that the first 5 decimals coincide. The cubic root of 2778027848 is about 1405.7632910493.

The spelling of 2778027848 in words is "two billion, seven hundred seventy-eight million, twenty-seven thousand, eight hundred forty-eight".