799636998 has 64 divisors (see below), whose sum is σ = 1704748032. Its totient is φ = 249532800.

The previous prime is 799636997. The next prime is 799637017. The reversal of 799636998 is 899636997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799636993) 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 31 ways as a sum of consecutive naturals, for example, 1435336 + ... + 1435892.

It is an arithmetic number, because the mean of its divisors is an integer number (26636688).

Almost surely, 2^799636998 is an apocalyptic number.

799636998 is an abundant number, since it is smaller than the sum of its proper divisors (905111034).

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

799636998 is a wasteful number, since it uses less digits than its factorization.

799636998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789.

The product of its digits is 39680928, while the sum is 66.

The square root of 799636998 is about 28277.8534899663. The cubic root of 799636998 is about 928.1773366444.

Subtracting 799636998 from its reverse (899636997), we obtain a palindrome (99999999).

The spelling of 799636998 in words is "seven hundred ninety-nine million, six hundred thirty-six thousand, nine hundred ninety-eight".