255585971615277 has 4 divisors (see below), whose sum is σ = 340781295487040. Its totient is φ = 170390647743516.

The previous prime is 255585971615263. The next prime is 255585971615311. The reversal of 255585971615277 is 772516179585552.

255585971615277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 255585971615277 - 2⁸ = 255585971615021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255585971615199 and 255585971615208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255585971615677) 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, 42597661935877 + ... + 42597661935882.

It is an arithmetic number, because the mean of its divisors is an integer number (85195323871760).

Almost surely, 2^{255585971615277} is an apocalyptic number.

It is an amenable number.

255585971615277 is a deficient number, since it is larger than the sum of its proper divisors (85195323871763).

255585971615277 is an equidigital number, since it uses as much as digits as its factorization.

255585971615277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85195323871762.

The product of its digits is 1852200000, while the sum is 75.

The spelling of 255585971615277 in words is "two hundred fifty-five trillion, five hundred eighty-five billion, nine hundred seventy-one million, six hundred fifteen thousand, two hundred seventy-seven".