98615911 has 2 divisors, whose sum is σ = 98615912. Its totient is φ = 98615910.

The previous prime is 98615903. The next prime is 98615953. The reversal of 98615911 is 11951689.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98615911 - 2³ = 98615903 is a prime.

It is equal to p_5686447 and since 98615911 and 5686447 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98615981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49307955 + 49307956.

It is an arithmetic number, because the mean of its divisors is an integer number (49307956).

Almost surely, 2^98615911 is an apocalyptic number.

98615911 is a deficient number, since it is larger than the sum of its proper divisors (1).

98615911 is an equidigital number, since it uses as much as digits as its factorization.

98615911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 40.

The square root of 98615911 is about 9930.5544155400. The cubic root of 98615911 is about 462.0074694419.

The spelling of 98615911 in words is "ninety-eight million, six hundred fifteen thousand, nine hundred eleven".