834955783 has 2 divisors, whose sum is σ = 834955784. Its totient is φ = 834955782.

The previous prime is 834955769. The next prime is 834955853. The reversal of 834955783 is 387559438.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-834955783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 834955783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (834955763) 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 as a sum of consecutive naturals, namely, 417477891 + 417477892.

It is an arithmetic number, because the mean of its divisors is an integer number (417477892).

Almost surely, 2^834955783 is an apocalyptic number.

834955783 is a deficient number, since it is larger than the sum of its proper divisors (1).

834955783 is an equidigital number, since it uses as much as digits as its factorization.

834955783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 52.

The square root of 834955783 is about 28895.6014472791. The cubic root of 834955783 is about 941.6463464050.

The spelling of 834955783 in words is "eight hundred thirty-four million, nine hundred fifty-five thousand, seven hundred eighty-three".