255673773 has 32 divisors (see below), whose sum is σ = 408902400. Its totient is φ = 157405248.

The previous prime is 255673763. The next prime is 255673777. The reversal of 255673773 is 377376552.

It is not a de Polignac number, because 255673773 - 2⁴ = 255673757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255673777) 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 31 ways as a sum of consecutive naturals, for example, 10911 + ... + 25107.

It is an arithmetic number, because the mean of its divisors is an integer number (12778200).

Almost surely, 2^255673773 is an apocalyptic number.

255673773 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

255673773 is a deficient number, since it is larger than the sum of its proper divisors (153228627).

255673773 is a wasteful number, since it uses less digits than its factorization.

255673773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14258 (or 14252 counting only the distinct ones).

The product of its digits is 926100, while the sum is 45.

The square root of 255673773 is about 15989.8021563745. The cubic root of 255673773 is about 634.6905909905.

The spelling of 255673773 in words is "two hundred fifty-five million, six hundred seventy-three thousand, seven hundred seventy-three".