255877834786 has 64 divisors (see below), whose sum is σ = 458099712000. Its totient is φ = 104937618240.

The previous prime is 255877834781. The next prime is 255877834829. The reversal of 255877834786 is 687438778552.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (255877834781) 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 in 31 ways as a sum of consecutive naturals, for example, 4605420 + ... + 4660648.

It is an arithmetic number, because the mean of its divisors is an integer number (7157808000).

Almost surely, 2^255877834786 is an apocalyptic number.

255877834786 is a deficient number, since it is larger than the sum of its proper divisors (202221877214).

255877834786 is a wasteful number, since it uses less digits than its factorization.

255877834786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55447.

The product of its digits is 632217600, while the sum is 70.

The spelling of 255877834786 in words is "two hundred fifty-five billion, eight hundred seventy-seven million, eight hundred thirty-four thousand, seven hundred eighty-six".