255777775328 has 12 divisors (see below), whose sum is σ = 503562495240. Its totient is φ = 127888887648.

The previous prime is 255777775303. The next prime is 255777775373. The reversal of 255777775328 is 823577777552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3996527708 + ... + 3996527771.

It is an arithmetic number, because the mean of its divisors is an integer number (41963541270).

Almost surely, 2^255777775328 is an apocalyptic number.

It is an amenable number.

255777775328 is a deficient number, since it is larger than the sum of its proper divisors (247784719912).

255777775328 is an equidigital number, since it uses as much as digits as its factorization.

255777775328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7993055489 (or 7993055481 counting only the distinct ones).

The product of its digits is 201684000, while the sum is 65.

The spelling of 255777775328 in words is "two hundred fifty-five billion, seven hundred seventy-seven million, seven hundred seventy-five thousand, three hundred twenty-eight".