855455027 has 4 divisors (see below), whose sum is σ = 977662896. Its totient is φ = 733247160.

The previous prime is 855455023. The next prime is 855455047. The reversal of 855455027 is 720554558.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720554558 = 2 ⋅360277279.

It is a cyclic number.

It is not a de Polignac number, because 855455027 - 2² = 855455023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (855455023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61103924 + ... + 61103937.

It is an arithmetic number, because the mean of its divisors is an integer number (244415724).

Almost surely, 2^855455027 is an apocalyptic number.

855455027 is a deficient number, since it is larger than the sum of its proper divisors (122207869).

855455027 is a wasteful number, since it uses less digits than its factorization.

855455027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122207868.

The product of its (nonzero) digits is 280000, while the sum is 41.

The square root of 855455027 is about 29248.1627970032. The cubic root of 855455027 is about 949.2903387046.

The spelling of 855455027 in words is "eight hundred fifty-five million, four hundred fifty-five thousand, twenty-seven".