255923711 has 4 divisors (see below), whose sum is σ = 269393400. Its totient is φ = 242454024.

The previous prime is 255923687. The next prime is 255923761. The reversal of 255923711 is 117329552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255923711 - 2²² = 251729407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255923761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6734816 + ... + 6734853.

It is an arithmetic number, because the mean of its divisors is an integer number (67348350).

Almost surely, 2^255923711 is an apocalyptic number.

255923711 is a deficient number, since it is larger than the sum of its proper divisors (13469689).

255923711 is a wasteful number, since it uses less digits than its factorization.

255923711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13469688.

The product of its digits is 18900, while the sum is 35.

The square root of 255923711 is about 15997.6157911109. The cubic root of 255923711 is about 634.8973409590.

The spelling of 255923711 in words is "two hundred fifty-five million, nine hundred twenty-three thousand, seven hundred eleven".