855560975 has 36 divisors (see below), whose sum is σ = 1144060704. Its totient is φ = 634314240.

The previous prime is 855560963. The next prime is 855560977. The reversal of 855560975 is 579065558.

It is not a de Polignac number, because 855560975 - 2¹⁶ = 855495439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855560977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 423167 + ... + 425183.

It is an arithmetic number, because the mean of its divisors is an integer number (31779464).

Almost surely, 2^855560975 is an apocalyptic number.

855560975 is a deficient number, since it is larger than the sum of its proper divisors (288499729).

855560975 is a wasteful number, since it uses less digits than its factorization.

855560975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112 (or 2088 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 50.

The square root of 855560975 is about 29249.9739316123. The cubic root of 855560975 is about 949.3295269175.

The spelling of 855560975 in words is "eight hundred fifty-five million, five hundred sixty thousand, nine hundred seventy-five".