255277777775 has 12 divisors (see below), whose sum is σ = 326755556544. Its totient is φ = 197634408000.

The previous prime is 255277777771. The next prime is 255277777793. The reversal of 255277777775 is 577777772552.

It is not a de Polignac number, because 255277777775 - 2² = 255277777771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255277777771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164694566 + ... + 164696115.

It is an arithmetic number, because the mean of its divisors is an integer number (27229629712).

Almost surely, 2^255277777775 is an apocalyptic number.

255277777775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255277777775 is a deficient number, since it is larger than the sum of its proper divisors (71477778769).

255277777775 is a wasteful number, since it uses less digits than its factorization.

255277777775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329390722 (or 329390717 counting only the distinct ones).

The product of its digits is 411771500, while the sum is 68.

The spelling of 255277777775 in words is "two hundred fifty-five billion, two hundred seventy-seven million, seven hundred seventy-seven thousand, seven hundred seventy-five".