98378653881197 has 2 divisors, whose sum is σ = 98378653881198. Its totient is φ = 98378653881196.

The previous prime is 98378653881181. The next prime is 98378653881331. The reversal of 98378653881197 is 79118835687389.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89288344461001 + 9090309420196 = 9449251^2 + 3015014^2 .

It is a cyclic number.

It is not a de Polignac number, because 98378653881197 - 2⁴ = 98378653881181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98378653881127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49189326940598 + 49189326940599.

It is an arithmetic number, because the mean of its divisors is an integer number (49189326940599).

Almost surely, 2^{98378653881197} is an apocalyptic number.

It is an amenable number.

98378653881197 is a deficient number, since it is larger than the sum of its proper divisors (1).

98378653881197 is an equidigital number, since it uses as much as digits as its factorization.

98378653881197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4389396480, while the sum is 83.

The spelling of 98378653881197 in words is "ninety-eight trillion, three hundred seventy-eight billion, six hundred fifty-three million, eight hundred eighty-one thousand, one hundred ninety-seven".