255730423667 has 8 divisors (see below), whose sum is σ = 256499923680. Its totient is φ = 254961241920.

The previous prime is 255730423651. The next prime is 255730423673. The reversal of 255730423667 is 766324037552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255730423667 - 2⁴ = 255730423651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255730423367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581863 + ... + 1736015.

It is an arithmetic number, because the mean of its divisors is an integer number (32062490460).

Almost surely, 2^255730423667 is an apocalyptic number.

255730423667 is a deficient number, since it is larger than the sum of its proper divisors (769500013).

255730423667 is a wasteful number, since it uses less digits than its factorization.

255730423667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159133.

The product of its (nonzero) digits is 6350400, while the sum is 50.

The spelling of 255730423667 in words is "two hundred fifty-five billion, seven hundred thirty million, four hundred twenty-three thousand, six hundred sixty-seven".