797888 has 56 divisors (see below), whose sum is σ = 1962912. Its totient is φ = 313344.

The previous prime is 797887. The next prime is 797897. The reversal of 797888 is 888797.

It is a tau number, because it is divible by the number of its divisors (56).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 797888.

It is not an unprimeable number, because it can be changed into a prime (797887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5756 + ... + 5892.

It is an arithmetic number, because the mean of its divisors is an integer number (35052).

2⁷⁹⁷⁸⁸⁸ 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 797888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (981456).

797888 is an abundant number, since it is smaller than the sum of its proper divisors (1165024).

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

797888 is a wasteful number, since it uses less digits than its factorization.

797888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 159 counting only the distinct ones).

The product of its digits is 225792, while the sum is 47.

The square root of 797888 is about 893.2457668525. The cubic root of 797888 is about 92.7500127142.

Subtracting 797888 from its reverse (888797), we obtain a palindrome (90909).

The spelling of 797888 in words is "seven hundred ninety-seven thousand, eight hundred eighty-eight".