9975954920 has 32 divisors (see below), whose sum is σ = 22923475200. Its totient is φ = 3905479488.

The previous prime is 9975954917. The next prime is 9975954949. The reversal of 9975954920 is 294595799.

It is a self number, because there is not a number n which added to its sum of digits gives 9975954920.

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, 2651300 + ... + 2655059.

It is an arithmetic number, because the mean of its divisors is an integer number (716358600).

Almost surely, 2^9975954920 is an apocalyptic number.

It is an amenable number.

9975954920 is an abundant number, since it is smaller than the sum of its proper divisors (12947520280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9975954920 is a wasteful number, since it uses less digits than its factorization.

9975954920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306417 (or 5306413 counting only the distinct ones).

The product of its (nonzero) digits is 9185400, while the sum is 59.

The square root of 9975954920 is about 99879.7022422474. The cubic root of 9975954920 is about 2152.7065190080.

The spelling of 9975954920 in words is "nine billion, nine hundred seventy-five million, nine hundred fifty-four thousand, nine hundred twenty".