828670450 has 48 divisors (see below), whose sum is σ = 1630538496. Its totient is φ = 312681600.

The previous prime is 828670417. The next prime is 828670477. The reversal of 828670450 is 54076828.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79015 + ... + 88885.

It is an arithmetic number, because the mean of its divisors is an integer number (33969552).

Almost surely, 2^828670450 is an apocalyptic number.

828670450 is a deficient number, since it is larger than the sum of its proper divisors (801868046).

828670450 is a wasteful number, since it uses less digits than its factorization.

828670450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9979 (or 9974 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 828670450 is about 28786.6366566155. The cubic root of 828670450 is about 939.2775685071.

The spelling of 828670450 in words is "eight hundred twenty-eight million, six hundred seventy thousand, four hundred fifty".