799686997200 has 2160 divisors, whose sum is σ = 3744751164336. Its totient is φ = 156067430400.

The previous prime is 799686997199. The next prime is 799686997201. The reversal of 799686997200 is 2799686997.

It is an interprime number because it is at equal distance from previous prime (799686997199) and next prime (799686997201).

It can be written as a sum of positive squares in 24 ways, for example, as 452261630016 + 347425367184 = 672504^2 + 589428^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799686997201) by changing a digit.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 2845861060 + ... + 2845861340.

Almost surely, 2^799686997200 is an apocalyptic number.

799686997200 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 799686997200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1872375582168).

799686997200 is an abundant number, since it is smaller than the sum of its proper divisors (2945064167136).

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

799686997200 is a wasteful number, since it uses less digits than its factorization.

799686997200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 185177664, while the sum is 72.

The spelling of 799686997200 in words is "seven hundred ninety-nine billion, six hundred eighty-six million, nine hundred ninety-seven thousand, two hundred".