2780050052 has 24 divisors (see below), whose sum is σ = 5547522456. Its totient is φ = 1207623168.

The previous prime is 2780050003. The next prime is 2780050067. The reversal of 2780050052 is 2500500872.

It can be written as a sum of positive squares in 4 ways, for example, as 902041156 + 1878008896 = 30034^2 + 43336^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2780049997 and 2780050024.

It is an unprimeable number.

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, 1571543 + ... + 1573310.

It is an arithmetic number, because the mean of its divisors is an integer number (231146769).

Almost surely, 2^2780050052 is an apocalyptic number.

It is an amenable number.

2780050052 is a deficient number, since it is larger than the sum of its proper divisors (2767472404).

2780050052 is a wasteful number, since it uses less digits than its factorization.

2780050052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144887 (or 3144885 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2780050052 is about 52726.1799488641. The cubic root of 2780050052 is about 1406.1043064283.

The spelling of 2780050052 in words is "two billion, seven hundred eighty million, fifty thousand, fifty-two".