98238991867 has 2 divisors, whose sum is σ = 98238991868. Its totient is φ = 98238991866.

The previous prime is 98238991727. The next prime is 98238991871. The reversal of 98238991867 is 76819983289.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98238991867 - 2¹⁵ = 98238959099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98238991796 and 98238991805.

It is not a weakly prime, because it can be changed into another prime (98238992867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49119495933 + 49119495934.

It is an arithmetic number, because the mean of its divisors is an integer number (49119495934).

Almost surely, 2^98238991867 is an apocalyptic number.

98238991867 is a deficient number, since it is larger than the sum of its proper divisors (1).

98238991867 is an equidigital number, since it uses as much as digits as its factorization.

98238991867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94058496, while the sum is 70.

The spelling of 98238991867 in words is "ninety-eight billion, two hundred thirty-eight million, nine hundred ninety-one thousand, eight hundred sixty-seven".