98972945891 has 8 divisors (see below), whose sum is σ = 99653265600. Its totient is φ = 98292840768.

The previous prime is 98972945839. The next prime is 98972945927. The reversal of 98972945891 is 19854927989.

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 98972945891 - 2¹⁰ = 98972944867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98972945831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934175 + ... + 1034711.

It is an arithmetic number, because the mean of its divisors is an integer number (12456658200).

Almost surely, 2^98972945891 is an apocalyptic number.

98972945891 is a deficient number, since it is larger than the sum of its proper divisors (680319709).

98972945891 is a wasteful number, since it uses less digits than its factorization.

98972945891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107293.

The product of its digits is 117573120, while the sum is 71.

The spelling of 98972945891 in words is "ninety-eight billion, nine hundred seventy-two million, nine hundred forty-five thousand, eight hundred ninety-one".