2780028050 has 12 divisors (see below), whose sum is σ = 5170852266. Its totient is φ = 1112011200.

The previous prime is 2780028023. The next prime is 2780028107. The reversal of 2780028050 is 508200872.

It can be written as a sum of positive squares in 3 ways, for example, as 2016997921 + 763030129 = 44911^2 + 27623^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2780027998 and 2780028016.

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 5 ways as a sum of consecutive naturals, for example, 27800231 + ... + 27800330.

Almost surely, 2^2780028050 is an apocalyptic number.

2780028050 is a deficient number, since it is larger than the sum of its proper divisors (2390824216).

2780028050 is a wasteful number, since it uses less digits than its factorization.

2780028050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55600573 (or 55600568 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2780028050 is about 52725.9713044720. The cubic root of 2780028050 is about 1406.1005970001.

The spelling of 2780028050 in words is "two billion, seven hundred eighty million, twenty-eight thousand, fifty".