859427055 has 24 divisors (see below), whose sum is σ = 1490517600. Its totient is φ = 458101440.

The previous prime is 859427033. The next prime is 859427077. The reversal of 859427055 is 550724958.

859427055 is a `hidden beast` number, since 8 + 594 + 2 + 7 + 0 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (859427033) and next prime (859427077).

It is not a de Polignac number, because 859427055 - 2⁶ = 859426991 is a prime.

It is a super-2 number, since 2×859427055² = 1477229725731946050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 859427055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95646 + ... + 104244.

It is an arithmetic number, because the mean of its divisors is an integer number (62104900).

Almost surely, 2^859427055 is an apocalyptic number.

859427055 is a deficient number, since it is larger than the sum of its proper divisors (631090545).

859427055 is a wasteful number, since it uses less digits than its factorization.

859427055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10831 (or 10828 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The square root of 859427055 is about 29315.9863385150. The cubic root of 859427055 is about 950.7573111849.

The spelling of 859427055 in words is "eight hundred fifty-nine million, four hundred twenty-seven thousand, fifty-five".