798923818 has 32 divisors (see below), whose sum is σ = 1572733440. Its totient is φ = 294885360.

The previous prime is 798923743. The next prime is 798923819. The reversal of 798923818 is 818329897.

It is not an unprimeable number, because it can be changed into a prime (798923819) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 133596 + ... + 139447.

It is an arithmetic number, because the mean of its divisors is an integer number (49147920).

Almost surely, 2^798923818 is an apocalyptic number.

798923818 is a deficient number, since it is larger than the sum of its proper divisors (773809622).

798923818 is a wasteful number, since it uses less digits than its factorization.

798923818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273082.

The product of its digits is 1741824, while the sum is 55.

The square root of 798923818 is about 28265.2404553720. The cubic root of 798923818 is about 927.9013137292.

The spelling of 798923818 in words is "seven hundred ninety-eight million, nine hundred twenty-three thousand, eight hundred eighteen".