255577456743 has 16 divisors (see below), whose sum is σ = 389476363776. Its totient is φ = 146034885600.

The previous prime is 255577456741. The next prime is 255577456777. The reversal of 255577456743 is 347654775552.

It is not a de Polignac number, because 255577456743 - 2¹ = 255577456741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255577456741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48771 + ... + 716612.

It is an arithmetic number, because the mean of its divisors is an integer number (24342272736).

Almost surely, 2^255577456743 is an apocalyptic number.

255577456743 is a deficient number, since it is larger than the sum of its proper divisors (133898907033).

255577456743 is a wasteful number, since it uses less digits than its factorization.

255577456743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781294.

The product of its digits is 123480000, while the sum is 60.

The spelling of 255577456743 in words is "two hundred fifty-five billion, five hundred seventy-seven million, four hundred fifty-six thousand, seven hundred forty-three".