255884854365 has 36 divisors (see below), whose sum is σ = 515947425084. Its totient is φ = 116975932416.

The previous prime is 255884854349. The next prime is 255884854367. The reversal of 255884854365 is 563458488552.

255884854365 is a `hidden beast` number, since 2 + 5 + 5 + 8 + 84 + 8 + 543 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 171095567769 + 84789286596 = 413637^2 + 291186^2 .

It is not a de Polignac number, because 255884854365 - 2⁴ = 255884854349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255884854367) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58021572 + ... + 58025981.

It is an arithmetic number, because the mean of its divisors is an integer number (14331872919).

Almost surely, 2^255884854365 is an apocalyptic number.

It is an amenable number.

255884854365 is an abundant number, since it is smaller than the sum of its proper divisors (260062570719).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255884854365 is a wasteful number, since it uses less digits than its factorization.

255884854365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116047578 (or 116047568 counting only the distinct ones).

The product of its digits is 184320000, while the sum is 63.

The spelling of 255884854365 in words is "two hundred fifty-five billion, eight hundred eighty-four million, eight hundred fifty-four thousand, three hundred sixty-five".