9908485971 has 4 divisors (see below), whose sum is σ = 13211314632. Its totient is φ = 6605657312.

The previous prime is 9908485963. The next prime is 9908485981. The reversal of 9908485971 is 1795848099.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9908485971 - 2³ = 9908485963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9908485931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1651414326 + ... + 1651414331.

It is an arithmetic number, because the mean of its divisors is an integer number (3302828658).

Almost surely, 2^9908485971 is an apocalyptic number.

9908485971 is a deficient number, since it is larger than the sum of its proper divisors (3302828661).

9908485971 is a wasteful number, since it uses less digits than its factorization.

9908485971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302828660.

The product of its (nonzero) digits is 6531840, while the sum is 60.

The square root of 9908485971 is about 99541.3781851547. The cubic root of 9908485971 is about 2147.8425064158.

The spelling of 9908485971 in words is "nine billion, nine hundred eight million, four hundred eighty-five thousand, nine hundred seventy-one".