838803085 has 4 divisors (see below), whose sum is σ = 1006563708. Its totient is φ = 671042464.

The previous prime is 838803071. The next prime is 838803101. The reversal of 838803085 is 580308838.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 412008804 + 426794281 = 20298^2 + 20659^2 .

It is a cyclic number.

It is not a de Polignac number, because 838803085 - 2⁷ = 838802957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83880304 + ... + 83880313.

It is an arithmetic number, because the mean of its divisors is an integer number (251640927).

Almost surely, 2^838803085 is an apocalyptic number.

It is an amenable number.

838803085 is a deficient number, since it is larger than the sum of its proper divisors (167760623).

838803085 is a wasteful number, since it uses less digits than its factorization.

838803085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167760622.

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 838803085 is about 28962.0973860665. The cubic root of 838803085 is about 943.0904339365.

The spelling of 838803085 in words is "eight hundred thirty-eight million, eight hundred three thousand, eighty-five".