98917168979 has 2 divisors, whose sum is σ = 98917168980. Its totient is φ = 98917168978.

The previous prime is 98917168943. The next prime is 98917168993. The reversal of 98917168979 is 97986171989.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98917168979 - 2¹² = 98917164883 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (98917162979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49458584489 + 49458584490.

It is an arithmetic number, because the mean of its divisors is an integer number (49458584490).

Almost surely, 2^98917168979 is an apocalyptic number.

98917168979 is a deficient number, since it is larger than the sum of its proper divisors (1).

98917168979 is an equidigital number, since it uses as much as digits as its factorization.

98917168979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123451776, while the sum is 74.

The spelling of 98917168979 in words is "ninety-eight billion, nine hundred seventeen million, one hundred sixty-eight thousand, nine hundred seventy-nine".