2789880404 has 36 divisors (see below), whose sum is σ = 5404086324. Its totient is φ = 1255786752.

The previous prime is 2789880367. The next prime is 2789880437. The reversal of 2789880404 is 4040889872.

It can be written as a sum of positive squares in 2 ways, for example, as 1303932100 + 1485948304 = 36110^2 + 38548^2 .

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2807 + ... + 74750.

It is an arithmetic number, because the mean of its divisors is an integer number (150113509).

Almost surely, 2^2789880404 is an apocalyptic number.

It is an amenable number.

2789880404 is a deficient number, since it is larger than the sum of its proper divisors (2614205920).

2789880404 is a wasteful number, since it uses less digits than its factorization.

2789880404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77624 (or 77599 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 50.

The square root of 2789880404 is about 52819.3184734525. The cubic root of 2789880404 is about 1407.7597010765.

The spelling of 2789880404 in words is "two billion, seven hundred eighty-nine million, eight hundred eighty thousand, four hundred four".