854842065 has 32 divisors (see below), whose sum is σ = 1705245696. Its totient is φ = 355258560.

The previous prime is 854842057. The next prime is 854842067. The reversal of 854842065 is 560248458.

It is not a de Polignac number, because 854842065 - 2³ = 854842057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (854842067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368907 + ... + 371216.

It is an arithmetic number, because the mean of its divisors is an integer number (53288928).

Almost surely, 2^854842065 is an apocalyptic number.

It is an amenable number.

854842065 is a deficient number, since it is larger than the sum of its proper divisors (850403631).

854842065 is a wasteful number, since it uses less digits than its factorization.

854842065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740149.

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 854842065 is about 29237.6822781834. The cubic root of 854842065 is about 949.0635518212.

The spelling of 854842065 in words is "eight hundred fifty-four million, eight hundred forty-two thousand, sixty-five".