8664601497 has 16 divisors (see below), whose sum is σ = 12369827520. Its totient is φ = 5375524352.

The previous prime is 8664601493. The next prime is 8664601501. The reversal of 8664601497 is 7941064668.

It is an interprime number because it is at equal distance from previous prime (8664601493) and next prime (8664601501).

It is a cyclic number.

It is not a de Polignac number, because 8664601497 - 2² = 8664601493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (8664601493) 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, 949923 + ... + 959000.

It is an arithmetic number, because the mean of its divisors is an integer number (773114220).

Almost surely, 2^8664601497 is an apocalyptic number.

It is an amenable number.

8664601497 is a deficient number, since it is larger than the sum of its proper divisors (3705226023).

8664601497 is a wasteful number, since it uses less digits than its factorization.

8664601497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909032.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 8664601497 is about 93083.8412239203. The cubic root of 8664601497 is about 2053.9168815267.

The spelling of 8664601497 in words is "eight billion, six hundred sixty-four million, six hundred one thousand, four hundred ninety-seven".