798780739105 has 16 divisors (see below), whose sum is σ = 975245362560. Its totient is φ = 627895876608.

The previous prime is 798780739079. The next prime is 798780739109. The reversal of 798780739105 is 501937087897.

It is a cyclic number.

It is not a de Polignac number, because 798780739105 - 2⁹ = 798780738593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (798780739109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17397 + ... + 1264066.

It is an arithmetic number, because the mean of its divisors is an integer number (60952835160).

Almost surely, 2^798780739105 is an apocalyptic number.

It is an amenable number.

798780739105 is a deficient number, since it is larger than the sum of its proper divisors (176464623455).

798780739105 is a wasteful number, since it uses less digits than its factorization.

798780739105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283640.

The product of its (nonzero) digits is 26671680, while the sum is 64.

The spelling of 798780739105 in words is "seven hundred ninety-eight billion, seven hundred eighty million, seven hundred thirty-nine thousand, one hundred five".