98988979 has 2 divisors, whose sum is σ = 98988980. Its totient is φ = 98988978.

The previous prime is 98988959. The next prime is 98988991. The reversal of 98988979 is 97988989.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98988979 - 2¹³ = 98980787 is a prime.

It is not a weakly prime, because it can be changed into another prime (98988959) 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, 49494489 + 49494490.

It is an arithmetic number, because the mean of its divisors is an integer number (49494490).

Almost surely, 2^98988979 is an apocalyptic number.

98988979 is a deficient number, since it is larger than the sum of its proper divisors (1).

98988979 is an equidigital number, since it uses as much as digits as its factorization.

98988979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23514624, while the sum is 67.

The square root of 98988979 is about 9949.3205295638. The cubic root of 98988979 is about 462.5893339976.

The spelling of 98988979 in words is "ninety-eight million, nine hundred eighty-eight thousand, nine hundred seventy-nine".