2011707688 has 16 divisors (see below), whose sum is σ = 3970476000. Its totient is φ = 952914096.

The previous prime is 2011707679. The next prime is 2011707689. The reversal of 2011707688 is 8867071102.

It is a self number, because there is not a number n which added to its sum of digits gives 2011707688.

It is not an unprimeable number, because it can be changed into a prime (2011707689) 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, 6617308 + ... + 6617611.

It is an arithmetic number, because the mean of its divisors is an integer number (248154750).

Almost surely, 2^2011707688 is an apocalyptic number.

It is an amenable number.

2011707688 is a deficient number, since it is larger than the sum of its proper divisors (1958768312).

2011707688 is a wasteful number, since it uses less digits than its factorization.

2011707688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13234944 (or 13234940 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 40.

The square root of 2011707688 is about 44852.0644786837. The cubic root of 2011707688 is about 1262.3747287134.

The spelling of 2011707688 in words is "two billion, eleven million, seven hundred seven thousand, six hundred eighty-eight".