828716772 has 48 divisors (see below), whose sum is σ = 2172965760. Its totient is φ = 243902208.

The previous prime is 828716771. The next prime is 828716809. The reversal of 828716772 is 277617828.

It is a happy number.

828716772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (828716771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111897 + ... + 119072.

It is an arithmetic number, because the mean of its divisors is an integer number (45270120).

Almost surely, 2^828716772 is an apocalyptic number.

It is an amenable number.

828716772 is an abundant number, since it is smaller than the sum of its proper divisors (1344248988).

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

828716772 is a wasteful number, since it uses less digits than its factorization.

828716772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231012 (or 231010 counting only the distinct ones).

The product of its digits is 526848, while the sum is 48.

The square root of 828716772 is about 28787.4412200876. The cubic root of 828716772 is about 939.2950697968.

The spelling of 828716772 in words is "eight hundred twenty-eight million, seven hundred sixteen thousand, seven hundred seventy-two".