829020772 has 6 divisors (see below), whose sum is σ = 1450786358. Its totient is φ = 414510384.

The previous prime is 829020769. The next prime is 829020833. The reversal of 829020772 is 277020928.

829020772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 445800996 + 383219776 = 21114^2 + 19576^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103627593 + ... + 103627600.

Almost surely, 2^829020772 is an apocalyptic number.

It is an amenable number.

829020772 is a deficient number, since it is larger than the sum of its proper divisors (621765586).

829020772 is a wasteful number, since it uses less digits than its factorization.

829020772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207255197 (or 207255195 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 829020772 is about 28792.7208162063. The cubic root of 829020772 is about 939.4099103158.

The spelling of 829020772 in words is "eight hundred twenty-nine million, twenty thousand, seven hundred seventy-two".