2785044723 has 16 divisors (see below), whose sum is σ = 3979574016. Its totient is φ = 1727969760.

The previous prime is 2785044709. The next prime is 2785044763. The reversal of 2785044723 is 3274405872.

It is a happy number.

It is not a de Polignac number, because 2785044723 - 2⁸ = 2785044467 is a prime.

It is a super-2 number, since 2×2785044723² = 15512948218220293458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2785044763) by changing a digit.

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, 542893 + ... + 547998.

It is an arithmetic number, because the mean of its divisors is an integer number (248723376).

Almost surely, 2^2785044723 is an apocalyptic number.

2785044723 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2785044723 is a deficient number, since it is larger than the sum of its proper divisors (1194529293).

2785044723 is a wasteful number, since it uses less digits than its factorization.

2785044723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090954.

The product of its (nonzero) digits is 376320, while the sum is 42.

The square root of 2785044723 is about 52773.5229352750. The cubic root of 2785044723 is about 1406.9458772129.

The spelling of 2785044723 in words is "two billion, seven hundred eighty-five million, forty-four thousand, seven hundred twenty-three".