829046478 has 16 divisors (see below), whose sum is σ = 1785638736. Its totient is φ = 255091200.

The previous prime is 829046467. The next prime is 829046509. The reversal of 829046478 is 874640928.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5314323 + ... + 5314478.

It is an arithmetic number, because the mean of its divisors is an integer number (111602421).

Almost surely, 2^829046478 is an apocalyptic number.

829046478 is an abundant number, since it is smaller than the sum of its proper divisors (956592258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

829046478 is a wasteful number, since it uses less digits than its factorization.

829046478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10628819.

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 829046478 is about 28793.1672102949. The cubic root of 829046478 is about 939.4196198519.

The spelling of 829046478 in words is "eight hundred twenty-nine million, forty-six thousand, four hundred seventy-eight".