829428895 has 32 divisors (see below), whose sum is σ = 1076556096. Its totient is φ = 611174400.

The previous prime is 829428871. The next prime is 829428911. The reversal of 829428895 is 598824928.

It is not a de Polignac number, because 829428895 - 2²⁹ = 292557983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1798965 + ... + 1799425.

It is an arithmetic number, because the mean of its divisors is an integer number (33642378).

Almost surely, 2^829428895 is an apocalyptic number.

829428895 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

829428895 is a deficient number, since it is larger than the sum of its proper divisors (247127201).

829428895 is a wasteful number, since it uses less digits than its factorization.

829428895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891.

The product of its digits is 3317760, while the sum is 55.

The square root of 829428895 is about 28799.8072042158. The cubic root of 829428895 is about 939.5640407093.

The spelling of 829428895 in words is "eight hundred twenty-nine million, four hundred twenty-eight thousand, eight hundred ninety-five".