8668323537 has 16 divisors (see below), whose sum is σ = 11656700160. Its totient is φ = 5729586192.

The previous prime is 8668323533. The next prime is 8668323541. The reversal of 8668323537 is 7353238668.

It is an interprime number because it is at equal distance from previous prime (8668323533) and next prime (8668323541).

It is not a de Polignac number, because 8668323537 - 2² = 8668323533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8668323537.

It is not an unprimeable number, because it can be changed into a prime (8668323533) 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, 183738 + ... + 226044.

It is an arithmetic number, because the mean of its divisors is an integer number (728543760).

Almost surely, 2^8668323537 is an apocalyptic number.

It is an amenable number.

8668323537 is a deficient number, since it is larger than the sum of its proper divisors (2988376623).

8668323537 is a wasteful number, since it uses less digits than its factorization.

8668323537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42892.

The product of its digits is 4354560, while the sum is 51.

The square root of 8668323537 is about 93103.8320210291. The cubic root of 8668323537 is about 2054.2109387665.

The spelling of 8668323537 in words is "eight billion, six hundred sixty-eight million, three hundred twenty-three thousand, five hundred thirty-seven".