799555646432826 has 24 divisors (see below), whose sum is σ = 1751835405109140. Its totient is φ = 263523958374336.

The previous prime is 799555646432819. The next prime is 799555646432827. The reversal of 799555646432826 is 628234646555997.

799555646432826 is a `hidden beast` number, since 7 + 9 + 9 + 5 + 5 + 564 + 6 + 4 + 3 + 28 + 26 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 596041198742025 + 203514447690801 = 24413955^2 + 14265849^2 .

It is a super-2 number, since 2×799555646432826² (a number of 31 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (799555646432827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249549201405 + ... + 249549204608.

Almost surely, 2^{799555646432826} is an apocalyptic number.

799555646432826 is an abundant number, since it is smaller than the sum of its proper divisors (952279758676314).

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

799555646432826 is a wasteful number, since it uses less digits than its factorization.

799555646432826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499098406110 (or 499098406107 counting only the distinct ones).

The product of its digits is 23514624000, while the sum is 81.

The spelling of 799555646432826 in words is "seven hundred ninety-nine trillion, five hundred fifty-five billion, six hundred forty-six million, four hundred thirty-two thousand, eight hundred twenty-six".