9640558875 has 16 divisors (see below), whose sum is σ = 16041890592. Its totient is φ = 5141631200.

The previous prime is 9640558871. The next prime is 9640558897. The reversal of 9640558875 is 5788550469.

It is not a de Polignac number, because 9640558875 - 2² = 9640558871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9640558871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12853704 + ... + 12854453.

It is an arithmetic number, because the mean of its divisors is an integer number (1002618162).

Almost surely, 2^9640558875 is an apocalyptic number.

9640558875 is a deficient number, since it is larger than the sum of its proper divisors (6401331717).

9640558875 is a wasteful number, since it uses less digits than its factorization.

9640558875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25708175 (or 25708165 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 57.

The square root of 9640558875 is about 98186.3477017044. The cubic root of 9640558875 is about 2128.3060050546.

The spelling of 9640558875 in words is "nine billion, six hundred forty million, five hundred fifty-eight thousand, eight hundred seventy-five".