98999562129187 has 2 divisors, whose sum is σ = 98999562129188. Its totient is φ = 98999562129186.

The previous prime is 98999562129043. The next prime is 98999562129197. The reversal of 98999562129187 is 78192126599989.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98999562129187 - 2³⁵ = 98965202390819 is a prime.

It is not a weakly prime, because it can be changed into another prime (98999562129197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49499781064593 + 49499781064594.

It is an arithmetic number, because the mean of its divisors is an integer number (49499781064594).

Almost surely, 2^{98999562129187} is an apocalyptic number.

98999562129187 is a deficient number, since it is larger than the sum of its proper divisors (1).

98999562129187 is an equidigital number, since it uses as much as digits as its factorization.

98999562129187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3174474240, while the sum is 85.

The spelling of 98999562129187 in words is "ninety-eight trillion, nine hundred ninety-nine billion, five hundred sixty-two million, one hundred twenty-nine thousand, one hundred eighty-seven".