855275559 has 12 divisors (see below), whose sum is σ = 1211394984. Its totient is φ = 536642944.

The previous prime is 855275543. The next prime is 855275563. The reversal of 855275559 is 955572558.

It is not a de Polignac number, because 855275559 - 2⁴ = 855275543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855275579) 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 in 11 ways as a sum of consecutive naturals, for example, 492372 + ... + 494105.

It is an arithmetic number, because the mean of its divisors is an integer number (100949582).

Almost surely, 2^855275559 is an apocalyptic number.

855275559 is a deficient number, since it is larger than the sum of its proper divisors (356119425).

855275559 is a wasteful number, since it uses less digits than its factorization.

855275559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986514 (or 986497 counting only the distinct ones).

The product of its digits is 3150000, while the sum is 51.

The square root of 855275559 is about 29245.0946143110. The cubic root of 855275559 is about 949.2239494153.

The spelling of 855275559 in words is "eight hundred fifty-five million, two hundred seventy-five thousand, five hundred fifty-nine".