8688939145 has 16 divisors (see below), whose sum is σ = 10862087040. Its totient is φ = 6666659200.

The previous prime is 8688939113. The next prime is 8688939169. The reversal of 8688939145 is 5419398868.

It is not a de Polignac number, because 8688939145 - 2⁵ = 8688939113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347101 + ... + 371290.

It is an arithmetic number, because the mean of its divisors is an integer number (678880440).

Almost surely, 2^8688939145 is an apocalyptic number.

It is an amenable number.

8688939145 is a deficient number, since it is larger than the sum of its proper divisors (2173147895).

8688939145 is a wasteful number, since it uses less digits than its factorization.

8688939145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718496.

The product of its digits is 14929920, while the sum is 61.

The square root of 8688939145 is about 93214.4792669036. The cubic root of 8688939145 is about 2055.8381384313.

The spelling of 8688939145 in words is "eight billion, six hundred eighty-eight million, nine hundred thirty-nine thousand, one hundred forty-five".