804798855 has 32 divisors (see below), whose sum is σ = 1635148800. Its totient is φ = 367907616.

The previous prime is 804798829. The next prime is 804798899. The reversal of 804798855 is 558897408.

It is not a de Polignac number, because 804798855 - 2⁵ = 804798823 is a prime.

It is a super-2 number, since 2×804798855² = 1295402394018622050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424875 + ... + 426764.

It is an arithmetic number, because the mean of its divisors is an integer number (51098400).

Almost surely, 2^804798855 is an apocalyptic number.

804798855 is an abundant number, since it is smaller than the sum of its proper divisors (830349945).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

804798855 is a wasteful number, since it uses less digits than its factorization.

804798855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851660 (or 851654 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The square root of 804798855 is about 28368.9769819075. The cubic root of 804798855 is about 930.1702601908.

The spelling of 804798855 in words is "eight hundred four million, seven hundred ninety-eight thousand, eight hundred fifty-five".