804879011 has 4 divisors (see below), whose sum is σ = 805103952. Its totient is φ = 804654072.

The previous prime is 804878989. The next prime is 804879017. The reversal of 804879011 is 110978408.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 804879011 - 2¹⁸ = 804616867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804879017) 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, 107015 + ... + 114288.

It is an arithmetic number, because the mean of its divisors is an integer number (201275988).

Almost surely, 2^804879011 is an apocalyptic number.

804879011 is a deficient number, since it is larger than the sum of its proper divisors (224941).

804879011 is a wasteful number, since it uses less digits than its factorization.

804879011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224940.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 804879011 is about 28370.3896871368. The cubic root of 804879011 is about 930.2011400609.

It can be divided in two parts, 80487 and 9011, that added together give a palindrome (89498).

The spelling of 804879011 in words is "eight hundred four million, eight hundred seventy-nine thousand, eleven".