823913968 has 10 divisors (see below), whose sum is σ = 1596333344. Its totient is φ = 411956976.

The previous prime is 823913953. The next prime is 823913999. The reversal of 823913968 is 869319328.

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 as a sum of consecutive naturals, namely, 25747296 + ... + 25747327.

Almost surely, 2^823913968 is an apocalyptic number.

It is an amenable number.

823913968 is a deficient number, since it is larger than the sum of its proper divisors (772419376).

823913968 is a wasteful number, since it uses less digits than its factorization.

823913968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51494631 (or 51494625 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The square root of 823913968 is about 28703.9016163308. The cubic root of 823913968 is about 937.4770006328.

The spelling of 823913968 in words is "eight hundred twenty-three million, nine hundred thirteen thousand, nine hundred sixty-eight".