2775280028 has 12 divisors (see below), whose sum is σ = 4969687800. Its totient is φ = 1355369232.

The previous prime is 2775279989. The next prime is 2775280043. The reversal of 2775280028 is 8200825772.

It is a happy number.

It is a super-3 number, since 3×2775280028³ (a number of 29 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 8067503 + ... + 8067846.

It is an arithmetic number, because the mean of its divisors is an integer number (414140650).

Almost surely, 2^2775280028 is an apocalyptic number.

It is an amenable number.

2775280028 is a deficient number, since it is larger than the sum of its proper divisors (2194407772).

2775280028 is a wasteful number, since it uses less digits than its factorization.

2775280028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16135396 (or 16135394 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 2775280028 is about 52680.9266053664. The cubic root of 2775280028 is about 1405.2996457354.

The spelling of 2775280028 in words is "two billion, seven hundred seventy-five million, two hundred eighty thousand, twenty-eight".