98911904717 has 4 divisors (see below), whose sum is σ = 101016413376. Its totient is φ = 96807396060.

The previous prime is 98911904711. The next prime is 98911904719. The reversal of 98911904717 is 71740911989.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71740911989 = 53 ⋅1353602113.

It is a cyclic number.

It is not a de Polignac number, because 98911904717 - 2³⁰ = 97838162893 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 (98911904711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052254259 + ... + 1052254352.

It is an arithmetic number, because the mean of its divisors is an integer number (25254103344).

Almost surely, 2^98911904717 is an apocalyptic number.

It is an amenable number.

98911904717 is a deficient number, since it is larger than the sum of its proper divisors (2104508659).

98911904717 is a wasteful number, since it uses less digits than its factorization.

98911904717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104508658.

The product of its (nonzero) digits is 1143072, while the sum is 56.

The spelling of 98911904717 in words is "ninety-eight billion, nine hundred eleven million, nine hundred four thousand, seven hundred seventeen".