2117667708 has 36 divisors (see below), whose sum is σ = 5764763368. Its totient is φ = 651589920.

The previous prime is 2117667703. The next prime is 2117667719. The reversal of 2117667708 is 8077667112.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117667703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2261998 + ... + 2262933.

Almost surely, 2^2117667708 is an apocalyptic number.

It is an amenable number.

2117667708 is an abundant number, since it is smaller than the sum of its proper divisors (3647095660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2117667708 is a wasteful number, since it uses less digits than its factorization.

2117667708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524954 (or 4524949 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 45.

The square root of 2117667708 is about 46018.1236905635. The cubic root of 2117667708 is about 1284.1603942642.

The spelling of 2117667708 in words is "two billion, one hundred seventeen million, six hundred sixty-seven thousand, seven hundred eight".