98148157997 has 2 divisors, whose sum is σ = 98148157998. Its totient is φ = 98148157996.

The previous prime is 98148157949. The next prime is 98148158021. The reversal of 98148157997 is 79975184189.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87541423876 + 10606734121 = 295874^2 + 102989^2 .

It is an emirp because it is prime and its reverse (79975184189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98148157997 - 2¹⁴ = 98148141613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98148157097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49074078998 + 49074078999.

It is an arithmetic number, because the mean of its divisors is an integer number (49074078999).

Almost surely, 2^98148157997 is an apocalyptic number.

It is an amenable number.

98148157997 is a deficient number, since it is larger than the sum of its proper divisors (1).

98148157997 is an equidigital number, since it uses as much as digits as its factorization.

98148157997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45722880, while the sum is 68.

The spelling of 98148157997 in words is "ninety-eight billion, one hundred forty-eight million, one hundred fifty-seven thousand, nine hundred ninety-seven".