855875427 has 8 divisors (see below), whose sum is σ = 1244909760. Its totient is φ = 518712360.

The previous prime is 855875413. The next prime is 855875437. The reversal of 855875427 is 724578558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 855875427 - 2⁴ = 855875411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 855875427.

It is not an unprimeable number, because it can be changed into a prime (855875407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12967777 + ... + 12967842.

It is an arithmetic number, because the mean of its divisors is an integer number (155613720).

Almost surely, 2^855875427 is an apocalyptic number.

855875427 is a deficient number, since it is larger than the sum of its proper divisors (389034333).

855875427 is a wasteful number, since it uses less digits than its factorization.

855875427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25935633.

The product of its digits is 3136000, while the sum is 51.

The square root of 855875427 is about 29255.3486904532. The cubic root of 855875427 is about 949.4458178705.

The spelling of 855875427 in words is "eight hundred fifty-five million, eight hundred seventy-five thousand, four hundred twenty-seven".