799108684128 has 432 divisors, whose sum is σ = 2502293399424. Its totient is φ = 241600757760.

The previous prime is 799108684039. The next prime is 799108684139. The reversal of 799108684128 is 821486801997.

799108684128 is a `hidden beast` number, since 79 + 91 + 0 + 8 + 68 + 412 + 8 = 666.

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 71 ways as a sum of consecutive naturals, for example, 817920376 + ... + 817921352.

It is an arithmetic number, because the mean of its divisors is an integer number (5792345832).

Almost surely, 2^799108684128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 799108684128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251146699712).

799108684128 is an abundant number, since it is smaller than the sum of its proper divisors (1703184715296).

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

799108684128 is a wasteful number, since it uses less digits than its factorization.

799108684128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 63.

The spelling of 799108684128 in words is "seven hundred ninety-nine billion, one hundred eight million, six hundred eighty-four thousand, one hundred twenty-eight".