255427028867 has 4 divisors (see below), whose sum is σ = 256051545240. Its totient is φ = 254802512496.

The previous prime is 255427028861. The next prime is 255427028869. The reversal of 255427028867 is 768820724552.

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 255427028867 - 2⁴ = 255427028851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255427028861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312257573 + ... + 312258390.

It is an arithmetic number, because the mean of its divisors is an integer number (64012886310).

Almost surely, 2^255427028867 is an apocalyptic number.

255427028867 is a deficient number, since it is larger than the sum of its proper divisors (624516373).

255427028867 is an equidigital number, since it uses as much as digits as its factorization.

255427028867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624516372.

The product of its (nonzero) digits is 15052800, while the sum is 56.

The spelling of 255427028867 in words is "two hundred fifty-five billion, four hundred twenty-seven million, twenty-eight thousand, eight hundred sixty-seven".