855412305 has 16 divisors (see below), whose sum is σ = 1493083584. Its totient is φ = 414745280.

The previous prime is 855412303. The next prime is 855412339. The reversal of 855412305 is 503214558.

It is not a de Polignac number, because 855412305 - 2¹ = 855412303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (855412301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2591994 + ... + 2592323.

It is an arithmetic number, because the mean of its divisors is an integer number (93317724).

Almost surely, 2^855412305 is an apocalyptic number.

It is an amenable number.

855412305 is a deficient number, since it is larger than the sum of its proper divisors (637671279).

855412305 is a wasteful number, since it uses less digits than its factorization.

855412305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184336.

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 855412305 is about 29247.4324514136. The cubic root of 855412305 is about 949.2745357087.

The spelling of 855412305 in words is "eight hundred fifty-five million, four hundred twelve thousand, three hundred five".