798253561 has 12 divisors (see below), whose sum is σ = 930499920. Its totient is φ = 682803240.

The previous prime is 798253553. The next prime is 798253633. The reversal of 798253561 is 165352897.

It is not a de Polignac number, because 798253561 - 2³ = 798253553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (798253501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7470 + ... + 40648.

It is an arithmetic number, because the mean of its divisors is an integer number (77541660).

Almost surely, 2^798253561 is an apocalyptic number.

It is an amenable number.

798253561 is a deficient number, since it is larger than the sum of its proper divisors (132246359).

798253561 is a wasteful number, since it uses less digits than its factorization.

798253561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33684 (or 33677 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The square root of 798253561 is about 28253.3814082492. The cubic root of 798253561 is about 927.6417535804.

The spelling of 798253561 in words is "seven hundred ninety-eight million, two hundred fifty-three thousand, five hundred sixty-one".