828400868228 has 12 divisors (see below), whose sum is σ = 1463776292160. Its totient is φ = 410179070472.

The previous prime is 828400868107. The next prime is 828400868261. The reversal of 828400868228 is 822868004828.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005340448 + ... + 1005341271.

It is an arithmetic number, because the mean of its divisors is an integer number (121981357680).

Almost surely, 2^828400868228 is an apocalyptic number.

It is an amenable number.

828400868228 is a deficient number, since it is larger than the sum of its proper divisors (635375423932).

828400868228 is a wasteful number, since it uses less digits than its factorization.

828400868228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010681826 (or 2010681824 counting only the distinct ones).

The product of its (nonzero) digits is 6291456, while the sum is 56.

The spelling of 828400868228 in words is "eight hundred twenty-eight billion, four hundred million, eight hundred sixty-eight thousand, two hundred twenty-eight".