9725520008 has 32 divisors (see below), whose sum is σ = 19065758400. Its totient is φ = 4642152768.

The previous prime is 9725519963. The next prime is 9725520017. The reversal of 9725520008 is 8000255279.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41735 + ... + 145577.

It is an arithmetic number, because the mean of its divisors is an integer number (595804950).

Almost surely, 2^9725520008 is an apocalyptic number.

It is an amenable number.

9725520008 is a deficient number, since it is larger than the sum of its proper divisors (9340238392).

9725520008 is a wasteful number, since it uses less digits than its factorization.

9725520008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104381 (or 104377 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 9725520008 is about 98618.0511265559. The cubic root of 9725520008 is about 2134.5398996472.

The spelling of 9725520008 in words is "nine billion, seven hundred twenty-five million, five hundred twenty thousand, eight".