255877216 has 72 divisors (see below), whose sum is σ = 597255120. Its totient is φ = 107557632.

The previous prime is 255877189. The next prime is 255877247. The reversal of 255877216 is 612778552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81565 + ... + 84643.

It is an arithmetic number, because the mean of its divisors is an integer number (8295210).

Almost surely, 2^255877216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255877216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298627560).

255877216 is an abundant number, since it is smaller than the sum of its proper divisors (341377904).

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

255877216 is a wasteful number, since it uses less digits than its factorization.

255877216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156 (or 3141 counting only the distinct ones).

The product of its digits is 235200, while the sum is 43.

The square root of 255877216 is about 15996.1625398094. The cubic root of 255877216 is about 634.8588902561.

The spelling of 255877216 in words is "two hundred fifty-five million, eight hundred seventy-seven thousand, two hundred sixteen".