8696666623087 has 4 divisors (see below), whose sum is σ = 8819154885456. Its totient is φ = 8574178360720.

The previous prime is 8696666623067. The next prime is 8696666623097. The reversal of 8696666623087 is 7803266666968.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8696666623087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8696666623067) 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, 61244131078 + ... + 61244131219.

It is an arithmetic number, because the mean of its divisors is an integer number (2204788721364).

Almost surely, 2^{8696666623087} is an apocalyptic number.

8696666623087 is a deficient number, since it is larger than the sum of its proper divisors (122488262369).

8696666623087 is a wasteful number, since it uses less digits than its factorization.

8696666623087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122488262368.

The product of its (nonzero) digits is 1128701952, while the sum is 73.

The spelling of 8696666623087 in words is "eight trillion, six hundred ninety-six billion, six hundred sixty-six million, six hundred twenty-three thousand, eighty-seven".