255573788774 has 16 divisors (see below), whose sum is σ = 394244331408. Its totient is φ = 124204078752.

The previous prime is 255573788761. The next prime is 255573788783. The reversal of 255573788774 is 477887375552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11255357 + ... + 11278040.

It is an arithmetic number, because the mean of its divisors is an integer number (24640270713).

Almost surely, 2^255573788774 is an apocalyptic number.

255573788774 is a deficient number, since it is larger than the sum of its proper divisors (138670542634).

255573788774 is a wasteful number, since it uses less digits than its factorization.

255573788774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22533559.

The product of its digits is 460992000, while the sum is 68.

The spelling of 255573788774 in words is "two hundred fifty-five billion, five hundred seventy-three million, seven hundred eighty-eight thousand, seven hundred seventy-four".