255771873 has 12 divisors (see below), whose sum is σ = 422226688. Its totient is φ = 146155320.

The previous prime is 255771853. The next prime is 255771881. The reversal of 255771873 is 378177552.

255771873 is a `hidden beast` number, since 2 + 5 + 577 + 1 + 8 + 73 = 666.

It is not a de Polignac number, because 255771873 - 2¹³ = 255763681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255771823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2029873 + ... + 2029998.

Almost surely, 2^255771873 is an apocalyptic number.

It is an amenable number.

255771873 is a deficient number, since it is larger than the sum of its proper divisors (166454815).

255771873 is a wasteful number, since it uses less digits than its factorization.

255771873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059884 (or 4059881 counting only the distinct ones).

The product of its digits is 411600, while the sum is 45.

The square root of 255771873 is about 15992.8694423484. The cubic root of 255771873 is about 634.7717558602.

The spelling of 255771873 in words is "two hundred fifty-five million, seven hundred seventy-one thousand, eight hundred seventy-three".