829889772 has 24 divisors (see below), whose sum is σ = 2020601856. Its totient is φ = 264602448.

The previous prime is 829889737. The next prime is 829889779. The reversal of 829889772 is 277988928.

It is not an unprimeable number, because it can be changed into a prime (829889779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1503148 + ... + 1503699.

It is an arithmetic number, because the mean of its divisors is an integer number (84191744).

Almost surely, 2^829889772 is an apocalyptic number.

It is an amenable number.

829889772 is an abundant number, since it is smaller than the sum of its proper divisors (1190712084).

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

829889772 is a wasteful number, since it uses less digits than its factorization.

829889772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006877 (or 3006875 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 60.

The square root of 829889772 is about 28807.8074833889. The cubic root of 829889772 is about 939.7380332319.

The spelling of 829889772 in words is "eight hundred twenty-nine million, eight hundred eighty-nine thousand, seven hundred seventy-two".