798748823 has 4 divisors (see below), whose sum is σ = 811843128. Its totient is φ = 785654520.

The previous prime is 798748817. The next prime is 798748843. The reversal of 798748823 is 328847897.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-798748823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798748843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6547061 + ... + 6547182.

It is an arithmetic number, because the mean of its divisors is an integer number (202960782).

Almost surely, 2^798748823 is an apocalyptic number.

798748823 is a deficient number, since it is larger than the sum of its proper divisors (13094305).

798748823 is a wasteful number, since it uses less digits than its factorization.

798748823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13094304.

The product of its digits is 5419008, while the sum is 56.

The square root of 798748823 is about 28262.1446992262. The cubic root of 798748823 is about 927.8335601070.

The spelling of 798748823 in words is "seven hundred ninety-eight million, seven hundred forty-eight thousand, eight hundred twenty-three".