3688831705 has 32 divisors (see below), whose sum is σ = 4909621248. Its totient is φ = 2643340800.

The previous prime is 3688831691. The next prime is 3688831709. The reversal of 3688831705 is 5071388863.

It is not a de Polignac number, because 3688831705 - 2⁵ = 3688831673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3688831709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505392 + ... + 512638.

It is an arithmetic number, because the mean of its divisors is an integer number (153425664).

Almost surely, 2^3688831705 is an apocalyptic number.

It is an amenable number.

3688831705 is a deficient number, since it is larger than the sum of its proper divisors (1220789543).

3688831705 is a wasteful number, since it uses less digits than its factorization.

3688831705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7497.

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 3688831705 is about 60735.7531030941. The cubic root of 3688831705 is about 1545.1226087313.

The spelling of 3688831705 in words is "three billion, six hundred eighty-eight million, eight hundred thirty-one thousand, seven hundred five".