98398908890 has 32 divisors (see below), whose sum is σ = 189813939840. Its totient is φ = 36630753984.

The previous prime is 98398908857. The next prime is 98398908899. The reversal of 98398908890 is 9880989389.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (98398908899) 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 in 15 ways as a sum of consecutive naturals, for example, 5772860 + ... + 5789879.

It is an arithmetic number, because the mean of its divisors is an integer number (5931685620).

Almost surely, 2^98398908890 is an apocalyptic number.

98398908890 is a deficient number, since it is larger than the sum of its proper divisors (91415030950).

98398908890 is a wasteful number, since it uses less digits than its factorization.

98398908890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11562806.

The product of its (nonzero) digits is 80621568, while the sum is 71.

The spelling of 98398908890 in words is "ninety-eight billion, three hundred ninety-eight million, nine hundred eight thousand, eight hundred ninety".