9720695008 has 24 divisors (see below), whose sum is σ = 19153420272. Its totient is φ = 4856334336.

The previous prime is 9720695003. The next prime is 9720695021. The reversal of 9720695008 is 8005960279.

It is a super-2 number, since 2×9720695008² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9720695003) 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, 85860 + ... + 163747.

It is an arithmetic number, because the mean of its divisors is an integer number (798059178).

Almost surely, 2^9720695008 is an apocalyptic number.

It is an amenable number.

9720695008 is a deficient number, since it is larger than the sum of its proper divisors (9432725264).

9720695008 is a wasteful number, since it uses less digits than its factorization.

9720695008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250834 (or 250826 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 9720695008 is about 98593.5850245846. The cubic root of 9720695008 is about 2134.1868471052.

The spelling of 9720695008 in words is "nine billion, seven hundred twenty million, six hundred ninety-five thousand, eight".