828325830 has 32 divisors (see below), whose sum is σ = 1992501504. Its totient is φ = 220384736.

The previous prime is 828325819. The next prime is 828325847. The reversal of 828325830 is 38523828.

It is a super-2 number, since 2×828325830² = 1372247361290377800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17874 + ... + 44453.

It is an arithmetic number, because the mean of its divisors is an integer number (62265672).

Almost surely, 2^828325830 is an apocalyptic number.

828325830 is an abundant number, since it is smaller than the sum of its proper divisors (1164175674).

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

828325830 is a wasteful number, since it uses less digits than its factorization.

828325830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62780.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 828325830 is about 28780.6502706245. The cubic root of 828325830 is about 939.1473443560.

The spelling of 828325830 in words is "eight hundred twenty-eight million, three hundred twenty-five thousand, eight hundred thirty".