855760567 has 2 divisors, whose sum is σ = 855760568. Its totient is φ = 855760566.

The previous prime is 855760561. The next prime is 855760571. The reversal of 855760567 is 765067558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 855760567 - 2¹⁹ = 855236279 is a prime.

It is a super-2 number, since 2×855760567² = 1464652296064322978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 855760567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (855760561) 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 as a sum of consecutive naturals, namely, 427880283 + 427880284.

It is an arithmetic number, because the mean of its divisors is an integer number (427880284).

Almost surely, 2^855760567 is an apocalyptic number.

855760567 is a deficient number, since it is larger than the sum of its proper divisors (1).

855760567 is an equidigital number, since it uses as much as digits as its factorization.

855760567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764000, while the sum is 49.

The square root of 855760567 is about 29253.3855647513. The cubic root of 855760567 is about 949.4033435329.

The spelling of 855760567 in words is "eight hundred fifty-five million, seven hundred sixty thousand, five hundred sixty-seven".