255106785 has 16 divisors (see below), whose sum is σ = 409348800. Its totient is φ = 135664320.

The previous prime is 255106783. The next prime is 255106853. The reversal of 255106785 is 587601552.

It is not a de Polignac number, because 255106785 - 2¹ = 255106783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255106783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19131 + ... + 29600.

It is an arithmetic number, because the mean of its divisors is an integer number (25584300).

Almost surely, 2^255106785 is an apocalyptic number.

It is an amenable number.

255106785 is a deficient number, since it is larger than the sum of its proper divisors (154242015).

255106785 is a wasteful number, since it uses less digits than its factorization.

255106785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49088.

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 255106785 is about 15972.0626407487. The cubic root of 255106785 is about 634.2210756318.

The spelling of 255106785 in words is "two hundred fifty-five million, one hundred six thousand, seven hundred eighty-five".