3988737173 has 4 divisors (see below), whose sum is σ = 3988881600. Its totient is φ = 3988592748.

The previous prime is 3988737157. The next prime is 3988737253. The reversal of 3988737173 is 3717378893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3717378893 = 45893 ⋅81001.

It is a cyclic number.

It is not a de Polignac number, because 3988737173 - 2⁴ = 3988737157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988737373) 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, 16415 + ... + 90812.

It is an arithmetic number, because the mean of its divisors is an integer number (997220400).

Almost surely, 2^3988737173 is an apocalyptic number.

It is an amenable number.

3988737173 is a deficient number, since it is larger than the sum of its proper divisors (144427).

3988737173 is a wasteful number, since it uses less digits than its factorization.

3988737173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144426.

The product of its digits is 5334336, while the sum is 56.

The square root of 3988737173 is about 63156.4499714796. The cubic root of 3988737173 is about 1585.9097661310.

The spelling of 3988737173 in words is "three billion, nine hundred eighty-eight million, seven hundred thirty-seven thousand, one hundred seventy-three".