255782085 has 128 divisors (see below), whose sum is σ = 510935040. Its totient is φ = 107827200.

The previous prime is 255782069. The next prime is 255782099. The reversal of 255782085 is 580287552.

It is not a de Polignac number, because 255782085 - 2⁴ = 255782069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1952470 + ... + 1952600.

It is an arithmetic number, because the mean of its divisors is an integer number (3991680).

Almost surely, 2^255782085 is an apocalyptic number.

It is an amenable number.

255782085 is a deficient number, since it is larger than the sum of its proper divisors (255152955).

255782085 is a wasteful number, since it uses less digits than its factorization.

255782085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219.

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 255782085 is about 15993.1887064463. The cubic root of 255782085 is about 634.7802037567.

The spelling of 255782085 in words is "two hundred fifty-five million, seven hundred eighty-two thousand, eighty-five".