8609864755197 has 8 divisors (see below), whose sum is σ = 11516033617056. Its totient is φ = 5721802865072.

The previous prime is 8609864755189. The next prime is 8609864755249. The reversal of 8609864755197 is 7915574689068.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8609864755197 - 2³ = 8609864755189 is a prime.

It is a super-2 number, since 2×8609864755197² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8609864755187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4526741823 + ... + 4526743724.

It is an arithmetic number, because the mean of its divisors is an integer number (1439504202132).

Almost surely, 2^{8609864755197} is an apocalyptic number.

It is an amenable number.

8609864755197 is a deficient number, since it is larger than the sum of its proper divisors (2906168861859).

8609864755197 is a wasteful number, since it uses less digits than its factorization.

8609864755197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9053485867.

The product of its (nonzero) digits is 914457600, while the sum is 75.

The spelling of 8609864755197 in words is "eight trillion, six hundred nine billion, eight hundred sixty-four million, seven hundred fifty-five thousand, one hundred ninety-seven".