98058197891 has 2 divisors, whose sum is σ = 98058197892. Its totient is φ = 98058197890.

The previous prime is 98058197803. The next prime is 98058197921. The reversal of 98058197891 is 19879185089.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98058197891 - 2¹⁰ = 98058196867 is a prime.

It is not a weakly prime, because it can be changed into another prime (98058190891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49029098945 + 49029098946.

It is an arithmetic number, because the mean of its divisors is an integer number (49029098946).

Almost surely, 2^98058197891 is an apocalyptic number.

98058197891 is a deficient number, since it is larger than the sum of its proper divisors (1).

98058197891 is an equidigital number, since it uses as much as digits as its factorization.

98058197891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 65.

The spelling of 98058197891 in words is "ninety-eight billion, fifty-eight million, one hundred ninety-seven thousand, eight hundred ninety-one".