823346880 has 56 divisors (see below), whose sum is σ = 2614129392. Its totient is φ = 219558912.

The previous prime is 823346851. The next prime is 823346911. The reversal of 823346880 is 88643328.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427867 + ... + 429786.

It is an arithmetic number, because the mean of its divisors is an integer number (46680882).

Almost surely, 2^823346880 is an apocalyptic number.

823346880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

823346880 is an abundant number, since it is smaller than the sum of its proper divisors (1790782512).

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

823346880 is a wasteful number, since it uses less digits than its factorization.

823346880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857673 (or 857663 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 823346880 is about 28694.0216769975. The cubic root of 823346880 is about 937.2618673397.

The spelling of 823346880 in words is "eight hundred twenty-three million, three hundred forty-six thousand, eight hundred eighty".