255554123674792 has 8 divisors (see below), whose sum is σ = 479163981890250. Its totient is φ = 127777061837392.

The previous prime is 255554123674789. The next prime is 255554123674793. The reversal of 255554123674792 is 297476321455552.

It can be written as a sum of positive squares in only one way, i.e., 255382325030596 + 171798644196 = 15980686^2 + 414486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (255554123674793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15972132729667 + ... + 15972132729682.

Almost surely, 2^{255554123674792} is an apocalyptic number.

It is an amenable number.

255554123674792 is a deficient number, since it is larger than the sum of its proper divisors (223609858215458).

255554123674792 is a wasteful number, since it uses less digits than its factorization.

255554123674792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31944265459355 (or 31944265459351 counting only the distinct ones).

The product of its digits is 635040000, while the sum is 67.

The spelling of 255554123674792 in words is "two hundred fifty-five trillion, five hundred fifty-four billion, one hundred twenty-three million, six hundred seventy-four thousand, seven hundred ninety-two".