9256609720 has 32 divisors (see below), whose sum is σ = 20841113520. Its totient is φ = 3700200960.

The previous prime is 9256609711. The next prime is 9256609741. The reversal of 9256609720 is 279066529.

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, 14337 + ... + 136816.

Almost surely, 2^9256609720 is an apocalyptic number.

It is an amenable number.

9256609720 is an abundant number, since it is smaller than the sum of its proper divisors (11584503800).

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

9256609720 is a wasteful number, since it uses less digits than its factorization.

9256609720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152695 (or 152691 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 9256609720 is about 96211.2764700687. The cubic root of 9256609720 is about 2099.6681047667.

The spelling of 9256609720 in words is "nine billion, two hundred fifty-six million, six hundred nine thousand, seven hundred twenty".