785738255 has 16 divisors (see below), whose sum is σ = 1008789600. Its totient is φ = 585740160.

The previous prime is 785738231. The next prime is 785738263. The reversal of 785738255 is 552837587.

It is not a de Polignac number, because 785738255 - 2²⁰ = 784689679 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 62000 + ... + 73589.

It is an arithmetic number, because the mean of its divisors is an integer number (63049350).

Almost surely, 2^785738255 is an apocalyptic number.

785738255 is a deficient number, since it is larger than the sum of its proper divisors (223051345).

785738255 is a wasteful number, since it uses less digits than its factorization.

785738255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135674.

The product of its digits is 2352000, while the sum is 50.

The square root of 785738255 is about 28031.0230815787. The cubic root of 785738255 is about 922.7682276599.

The spelling of 785738255 in words is "seven hundred eighty-five million, seven hundred thirty-eight thousand, two hundred fifty-five".