799856658998 has 8 divisors (see below), whose sum is σ = 1200364881120. Its totient is φ = 399735031960.

The previous prime is 799856658947. The next prime is 799856659039. The reversal of 799856658998 is 899856658997.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96643598 + ... + 96651873.

It is an arithmetic number, because the mean of its divisors is an integer number (150045610140).

Almost surely, 2^799856658998 is an apocalyptic number.

799856658998 is a deficient number, since it is larger than the sum of its proper divisors (400508222122).

799856658998 is a wasteful number, since it uses less digits than its factorization.

799856658998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193297542.

The product of its digits is 21163161600, while the sum is 89.

Subtracting 799856658998 from its reverse (899856658997), we obtain a palindrome (99999999999).

The spelling of 799856658998 in words is "seven hundred ninety-nine billion, eight hundred fifty-six million, six hundred fifty-eight thousand, nine hundred ninety-eight".