98971099 has 2 divisors, whose sum is σ = 98971100. Its totient is φ = 98971098.

The previous prime is 98971091. The next prime is 98971151. The reversal of 98971099 is 99017989.

It is an a-pointer prime, because the next prime (98971151) can be obtained adding 98971099 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98971099 - 2³ = 98971091 is a prime.

It is not a weakly prime, because it can be changed into another prime (98971091) 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, 49485549 + 49485550.

It is an arithmetic number, because the mean of its divisors is an integer number (49485550).

Almost surely, 2^98971099 is an apocalyptic number.

98971099 is a deficient number, since it is larger than the sum of its proper divisors (1).

98971099 is an equidigital number, since it uses as much as digits as its factorization.

98971099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 52.

The square root of 98971099 is about 9948.4219351614. The cubic root of 98971099 is about 462.5614804075.

The spelling of 98971099 in words is "ninety-eight million, nine hundred seventy-one thousand, ninety-nine".