9908399455 has 8 divisors (see below), whose sum is σ = 11890633392. Its totient is φ = 7926350208.

The previous prime is 9908399443. The next prime is 9908399461. The reversal of 9908399455 is 5549938099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9908399455 - 2¹⁵ = 9908366687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9908399393 and 9908399402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140407 + ... + 198823.

It is an arithmetic number, because the mean of its divisors is an integer number (1486329174).

Almost surely, 2^9908399455 is an apocalyptic number.

9908399455 is a deficient number, since it is larger than the sum of its proper divisors (1982233937).

9908399455 is a wasteful number, since it uses less digits than its factorization.

9908399455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92345.

The product of its (nonzero) digits is 15746400, while the sum is 61.

The square root of 9908399455 is about 99540.9436111593. The cubic root of 9908399455 is about 2147.8362550980.

The spelling of 9908399455 in words is "nine billion, nine hundred eight million, three hundred ninety-nine thousand, four hundred fifty-five".