98002060091 has 4 divisors (see below), whose sum is σ = 105540680112. Its totient is φ = 90463440072.

The previous prime is 98002060063. The next prime is 98002060129. The reversal of 98002060091 is 19006020089.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98002060091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98002060291) 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, 3769309991 + ... + 3769310016.

It is an arithmetic number, because the mean of its divisors is an integer number (26385170028).

Almost surely, 2^98002060091 is an apocalyptic number.

98002060091 is a deficient number, since it is larger than the sum of its proper divisors (7538620021).

98002060091 is a wasteful number, since it uses less digits than its factorization.

98002060091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7538620020.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 98002060091 in words is "ninety-eight billion, two million, sixty thousand, ninety-one".