107998391917 has 8 divisors (see below), whose sum is σ = 116308828160. Its totient is φ = 99688365360.

The previous prime is 107998391903. The next prime is 107998391923. The reversal of 107998391917 is 719193899701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 107998391917 - 2⁷ = 107998391789 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 (107998397917) 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 7 ways as a sum of consecutive naturals, for example, 649684 + ... + 798802.

It is an arithmetic number, because the mean of its divisors is an integer number (14538603520).

Almost surely, 2^107998391917 is an apocalyptic number.

It is an amenable number.

107998391917 is a deficient number, since it is larger than the sum of its proper divisors (8310436243).

107998391917 is a wasteful number, since it uses less digits than its factorization.

107998391917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204843.

The product of its (nonzero) digits is 7715736, while the sum is 64.

The spelling of 107998391917 in words is "one hundred seven billion, nine hundred ninety-eight million, three hundred ninety-one thousand, nine hundred seventeen".