798565896 has 96 divisors (see below), whose sum is σ = 2285150400. Its totient is φ = 251233920.

The previous prime is 798565853. The next prime is 798565903. The reversal of 798565896 is 698565897.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 424510 + ... + 426386.

It is an arithmetic number, because the mean of its divisors is an integer number (23803650).

Almost surely, 2^798565896 is an apocalyptic number.

798565896 is a gapful number since it is divisible by the number (76) 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 798565896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142575200).

798565896 is an abundant number, since it is smaller than the sum of its proper divisors (1486584504).

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

798565896 is a wasteful number, since it uses less digits than its factorization.

798565896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219 (or 2212 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 63.

The square root of 798565896 is about 28258.9082591667. The cubic root of 798565896 is about 927.7627248360.

Subtracting from 798565896 its reverse (698565897), we obtain a palindrome (99999999).

The spelling of 798565896 in words is "seven hundred ninety-eight million, five hundred sixty-five thousand, eight hundred ninety-six".