255472768897 has 4 divisors (see below), whose sum is σ = 257860364976. Its totient is φ = 253085172820.

The previous prime is 255472768849. The next prime is 255472768907. The reversal of 255472768897 is 798867274552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255472768897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255472768807) 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, 1193797879 + ... + 1193798092.

It is an arithmetic number, because the mean of its divisors is an integer number (64465091244).

Almost surely, 2^255472768897 is an apocalyptic number.

It is an amenable number.

255472768897 is a deficient number, since it is larger than the sum of its proper divisors (2387596079).

255472768897 is a wasteful number, since it uses less digits than its factorization.

255472768897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387596078.

The product of its digits is 474163200, while the sum is 70.

The spelling of 255472768897 in words is "two hundred fifty-five billion, four hundred seventy-two million, seven hundred sixty-eight thousand, eight hundred ninety-seven".