828670907 has 4 divisors (see below), whose sum is σ = 851067456. Its totient is φ = 806274360.

The previous prime is 828670897. The next prime is 828670987. The reversal of 828670907 is 709076828.

828670907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-828670907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828670987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11198219 + ... + 11198292.

It is an arithmetic number, because the mean of its divisors is an integer number (212766864).

Almost surely, 2^828670907 is an apocalyptic number.

828670907 is a deficient number, since it is larger than the sum of its proper divisors (22396549).

828670907 is a wasteful number, since it uses less digits than its factorization.

828670907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22396548.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 828670907 is about 28786.6445943253. The cubic root of 828670907 is about 939.2777411731.

The spelling of 828670907 in words is "eight hundred twenty-eight million, six hundred seventy thousand, nine hundred seven".