828173283 has 32 divisors (see below), whose sum is σ = 1293207552. Its totient is φ = 461635200.

The previous prime is 828173279. The next prime is 828173299. The reversal of 828173283 is 382371828.

It is a Cunningham number, because it is equal to 28778²-1.

It is not a de Polignac number, because 828173283 - 2² = 828173279 is a prime.

It is not an unprimeable number, because it can be changed into a prime (828173243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199398 + ... + 203508.

It is an arithmetic number, because the mean of its divisors is an integer number (40412736).

Almost surely, 2^828173283 is an apocalyptic number.

828173283 is a deficient number, since it is larger than the sum of its proper divisors (465034269).

828173283 is a wasteful number, since it uses less digits than its factorization.

828173283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4355.

The product of its digits is 129024, while the sum is 42.

The square root of 828173283 is about 28777.9999826256. Note that the first 4 decimals coincide. The cubic root of 828173283 is about 939.0896887410.

The spelling of 828173283 in words is "eight hundred twenty-eight million, one hundred seventy-three thousand, two hundred eighty-three".