799222187808 has 162 divisors, whose sum is σ = 2498710329297. Its totient is φ = 242137969920.

The previous prime is 799222187791. The next prime is 799222187831. The reversal of 799222187808 is 808781222997.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 602629269264 + 196592918544 = 776292^2 + 443388^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=632148.

It is a super-2 number, since 2×799222187808² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 166884678 + ... + 166889466.

Almost surely, 2^799222187808 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 799222187808

799222187808 is an abundant number, since it is smaller than the sum of its proper divisors (1699488141489).

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

799222187808 is an equidigital number, since it uses as much as digits as its factorization.

799222187808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9616 (or 4805 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 63.

The spelling of 799222187808 in words is "seven hundred ninety-nine billion, two hundred twenty-two million, one hundred eighty-seven thousand, eight hundred eight".