255954782097 has 48 divisors (see below), whose sum is σ = 427120686720. Its totient is φ = 144677857536.

The previous prime is 255954782093. The next prime is 255954782117. The reversal of 255954782097 is 790287459552.

255954782097 is a `hidden beast` number, since 2 + 5 + 5 + 9 + 547 + 82 + 0 + 9 + 7 = 666.

It is not a de Polignac number, because 255954782097 - 2² = 255954782093 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (255954782093) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2390179 + ... + 2494967.

It is an arithmetic number, because the mean of its divisors is an integer number (8898347640).

Almost surely, 2^255954782097 is an apocalyptic number.

It is an amenable number.

255954782097 is a deficient number, since it is larger than the sum of its proper divisors (171165904623).

255954782097 is a wasteful number, since it uses less digits than its factorization.

255954782097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105222 (or 105219 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 63.

The spelling of 255954782097 in words is "two hundred fifty-five billion, nine hundred fifty-four million, seven hundred eighty-two thousand, ninety-seven".