854809005 has 8 divisors (see below), whose sum is σ = 1367694432. Its totient is φ = 455898128.

The previous prime is 854808991. The next prime is 854809013. The reversal of 854809005 is 500908458.

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

It is a cyclic number.

It is not a de Polignac number, because 854809005 - 2⁴ = 854808989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28493619 + ... + 28493648.

It is an arithmetic number, because the mean of its divisors is an integer number (170961804).

Almost surely, 2^854809005 is an apocalyptic number.

It is an amenable number.

854809005 is a deficient number, since it is larger than the sum of its proper divisors (512885427).

854809005 is a wasteful number, since it uses less digits than its factorization.

854809005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56987275.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 854809005 is about 29237.1169064256. The cubic root of 854809005 is about 949.0513170288.

The spelling of 854809005 in words is "eight hundred fifty-four million, eight hundred nine thousand, five".