797223168 has 144 divisors (see below), whose sum is σ = 2694482560. Its totient is φ = 227764224.

The previous prime is 797223101. The next prime is 797223173. The reversal of 797223168 is 861322797.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40146 + ... + 56622.

Almost surely, 2^797223168 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 797223168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1347241280).

797223168 is an abundant number, since it is smaller than the sum of its proper divisors (1897259392).

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

797223168 is a wasteful number, since it uses less digits than its factorization.

797223168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16509 (or 16489 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 797223168 is about 28235.1406584065. The cubic root of 797223168 is about 927.2424455666.

The spelling of 797223168 in words is "seven hundred ninety-seven million, two hundred twenty-three thousand, one hundred sixty-eight".