255982784471 has 2 divisors, whose sum is σ = 255982784472. Its totient is φ = 255982784470.

The previous prime is 255982784461. The next prime is 255982784539. The reversal of 255982784471 is 174487289552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255982784471 is a prime.

It is a super-3 number, since 3×255982784471³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255982784411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127991392235 + 127991392236.

It is an arithmetic number, because the mean of its divisors is an integer number (127991392236).

Almost surely, 2^255982784471 is an apocalyptic number.

255982784471 is a deficient number, since it is larger than the sum of its proper divisors (1).

255982784471 is an equidigital number, since it uses as much as digits as its factorization.

255982784471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45158400, while the sum is 62.

The spelling of 255982784471 in words is "two hundred fifty-five billion, nine hundred eighty-two million, seven hundred eighty-four thousand, four hundred seventy-one".