828031772 has 12 divisors (see below), whose sum is σ = 1449431760. Its totient is φ = 413908416.

The previous prime is 828031739. The next prime is 828031807. The reversal of 828031772 is 277130828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8072 + ... + 41487.

It is an arithmetic number, because the mean of its divisors is an integer number (120785980).

Almost surely, 2^828031772 is an apocalyptic number.

It is an amenable number.

828031772 is a deficient number, since it is larger than the sum of its proper divisors (621399988).

828031772 is a wasteful number, since it uses less digits than its factorization.

828031772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53740 (or 53738 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 828031772 is about 28775.5412112440. The cubic root of 828031772 is about 939.0361978861.

The spelling of 828031772 in words is "eight hundred twenty-eight million, thirty-one thousand, seven hundred seventy-two".