8355899225 has 12 divisors (see below), whose sum is σ = 10384717776. Its totient is φ = 6669620880.

The previous prime is 8355899219. The next prime is 8355899257. The reversal of 8355899225 is 5229985538.

It is not a de Polignac number, because 8355899225 - 2²⁰ = 8354850649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366167 + ... + 388316.

It is an arithmetic number, because the mean of its divisors is an integer number (865393148).

Almost surely, 2^8355899225 is an apocalyptic number.

It is an amenable number.

8355899225 is a deficient number, since it is larger than the sum of its proper divisors (2028818551).

8355899225 is a wasteful number, since it uses less digits than its factorization.

8355899225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754936 (or 754931 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 56.

The square root of 8355899225 is about 91410.6078362900. The cubic root of 8355899225 is about 2029.2290199957.

The spelling of 8355899225 in words is "eight billion, three hundred fifty-five million, eight hundred ninety-nine thousand, two hundred twenty-five".