8957648973 has 32 divisors (see below), whose sum is σ = 14793431296. Its totient is φ = 4694796288.

The previous prime is 8957648941. The next prime is 8957648983. The reversal of 8957648973 is 3798467598.

8957648973 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8957648973 - 2⁵ = 8957648941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8957648983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61636 + ... + 147357.

It is an arithmetic number, because the mean of its divisors is an integer number (462294728).

Almost surely, 2^8957648973 is an apocalyptic number.

It is an amenable number.

8957648973 is a deficient number, since it is larger than the sum of its proper divisors (5835782323).

8957648973 is a wasteful number, since it uses less digits than its factorization.

8957648973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209173.

The product of its digits is 91445760, while the sum is 66.

The square root of 8957648973 is about 94644.8570869015. The cubic root of 8957648973 is about 2076.8159627387.

The spelling of 8957648973 in words is "eight billion, nine hundred fifty-seven million, six hundred forty-eight thousand, nine hundred seventy-three".