823775938 has 8 divisors (see below), whose sum is σ = 1253067840. Its totient is φ = 406086660.

The previous prime is 823775929. The next prime is 823775941. The reversal of 823775938 is 839577328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2900478 + ... + 2900761.

It is an arithmetic number, because the mean of its divisors is an integer number (156633480).

Almost surely, 2^823775938 is an apocalyptic number.

823775938 is a deficient number, since it is larger than the sum of its proper divisors (429291902).

823775938 is a wasteful number, since it uses less digits than its factorization.

823775938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5801312.

The product of its digits is 2540160, while the sum is 52.

The square root of 823775938 is about 28701.4971386511. The cubic root of 823775938 is about 937.4246459849.

The spelling of 823775938 in words is "eight hundred twenty-three million, seven hundred seventy-five thousand, nine hundred thirty-eight".