8745957817 has 4 divisors (see below), whose sum is σ = 8768793600. Its totient is φ = 8723122036.

The previous prime is 8745957809. The next prime is 8745957827. The reversal of 8745957817 is 7187595478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8745957817 - 2³ = 8745957809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8745957827) 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, 11417317 + ... + 11418082.

It is an arithmetic number, because the mean of its divisors is an integer number (2192198400).

Almost surely, 2^8745957817 is an apocalyptic number.

It is an amenable number.

8745957817 is a deficient number, since it is larger than the sum of its proper divisors (22835783).

8745957817 is a wasteful number, since it uses less digits than its factorization.

8745957817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22835782.

The product of its digits is 19756800, while the sum is 61.

The square root of 8745957817 is about 93519.8257964588. The cubic root of 8745957817 is about 2060.3252869458.

The spelling of 8745957817 in words is "eight billion, seven hundred forty-five million, nine hundred fifty-seven thousand, eight hundred seventeen".