828722133 has 6 divisors (see below), whose sum is σ = 1197043094. Its totient is φ = 552481416.

The previous prime is 828722077. The next prime is 828722143. The reversal of 828722133 is 331227828.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 595457604 + 233264529 = 24402^2 + 15273^2 .

It is not a de Polignac number, because 828722133 - 2²⁶ = 761613269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828722143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46040110 + ... + 46040127.

Almost surely, 2^828722133 is an apocalyptic number.

It is an amenable number.

828722133 is a deficient number, since it is larger than the sum of its proper divisors (368320961).

828722133 is a wasteful number, since it uses less digits than its factorization.

828722133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92080243 (or 92080240 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 828722133 is about 28787.5343334576. The cubic root of 828722133 is about 939.2970952375.

The spelling of 828722133 in words is "eight hundred twenty-eight million, seven hundred twenty-two thousand, one hundred thirty-three".