255555577799 has 8 divisors (see below), whose sum is σ = 270593366688. Its totient is φ = 240518356480.

The previous prime is 255555577757. The next prime is 255555577829. The reversal of 255555577799 is 997775555552.

255555577799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255555577799 - 2¹⁶ = 255555512263 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255555577099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091534 + ... + 1304820.

It is an arithmetic number, because the mean of its divisors is an integer number (33824170836).

Almost surely, 2^255555577799 is an apocalyptic number.

255555577799 is a deficient number, since it is larger than the sum of its proper divisors (15037788889).

255555577799 is a wasteful number, since it uses less digits than its factorization.

255555577799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283785.

The product of its digits is 868218750, while the sum is 71.

The spelling of 255555577799 in words is "two hundred fifty-five billion, five hundred fifty-five million, five hundred seventy-seven thousand, seven hundred ninety-nine".