2785452838 has 32 divisors (see below), whose sum is σ = 4889401344. Its totient is φ = 1165313952.

The previous prime is 2785452811. The next prime is 2785452851. The reversal of 2785452838 is 8382545872.

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 15 ways as a sum of consecutive naturals, for example, 255895 + ... + 266557.

It is an arithmetic number, because the mean of its divisors is an integer number (152793792).

Almost surely, 2^2785452838 is an apocalyptic number.

2785452838 is a deficient number, since it is larger than the sum of its proper divisors (2103948506).

2785452838 is a wasteful number, since it uses less digits than its factorization.

2785452838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11116.

The product of its digits is 4300800, while the sum is 52.

The square root of 2785452838 is about 52777.3894579866. The cubic root of 2785452838 is about 1407.0145975542.

The spelling of 2785452838 in words is "two billion, seven hundred eighty-five million, four hundred fifty-two thousand, eight hundred thirty-eight".