255541628077 has 4 divisors (see below), whose sum is σ = 255596434720. Its totient is φ = 255486821436.

The previous prime is 255541628047. The next prime is 255541628101. The reversal of 255541628077 is 770826145552.

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-255541628077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255541628047) 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, 27396327 + ... + 27405652.

It is an arithmetic number, because the mean of its divisors is an integer number (63899108680).

Almost surely, 2^255541628077 is an apocalyptic number.

It is an amenable number.

255541628077 is a deficient number, since it is larger than the sum of its proper divisors (54806643).

255541628077 is an equidigital number, since it uses as much as digits as its factorization.

255541628077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54806642.

The product of its (nonzero) digits is 4704000, while the sum is 52.

The spelling of 255541628077 in words is "two hundred fifty-five billion, five hundred forty-one million, six hundred twenty-eight thousand, seventy-seven".