828709485 has 16 divisors (see below), whose sum is σ = 1327208064. Its totient is φ = 441554112.

The previous prime is 828709477. The next prime is 828709559. The reversal of 828709485 is 584907828.

It is a happy number.

828709485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 828709485 - 2³ = 828709477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10042 + ... + 41931.

It is an arithmetic number, because the mean of its divisors is an integer number (82950504).

Almost surely, 2^828709485 is an apocalyptic number.

It is an amenable number.

828709485 is a deficient number, since it is larger than the sum of its proper divisors (498498579).

828709485 is a wasteful number, since it uses less digits than its factorization.

828709485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53044.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The square root of 828709485 is about 28787.3146542014. The cubic root of 828709485 is about 939.2923166796.

The spelling of 828709485 in words is "eight hundred twenty-eight million, seven hundred nine thousand, four hundred eighty-five".