785034853 has 2 divisors, whose sum is σ = 785034854. Its totient is φ = 785034852.

The previous prime is 785034763. The next prime is 785034863. The reversal of 785034853 is 358430587.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 771617284 + 13417569 = 27778^2 + 3663^2 .

It is a cyclic number.

It is not a de Polignac number, because 785034853 - 2¹⁷ = 784903781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (785034863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392517426 + 392517427.

It is an arithmetic number, because the mean of its divisors is an integer number (392517427).

Almost surely, 2^785034853 is an apocalyptic number.

It is an amenable number.

785034853 is a deficient number, since it is larger than the sum of its proper divisors (1).

785034853 is an equidigital number, since it uses as much as digits as its factorization.

785034853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 785034853 is about 28018.4734237967. The cubic root of 785034853 is about 922.4927878442.

The spelling of 785034853 in words is "seven hundred eighty-five million, thirty-four thousand, eight hundred fifty-three".