3996171755 has 4 divisors (see below), whose sum is σ = 4795406112. Its totient is φ = 3196937400.

The previous prime is 3996171749. The next prime is 3996171763. The reversal of 3996171755 is 5571716993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5571716993 = 613 ⋅9089261.

It is not a de Polignac number, because 3996171755 - 2⁸ = 3996171499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3996171697 and 3996171706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399617171 + ... + 399617180.

It is an arithmetic number, because the mean of its divisors is an integer number (1198851528).

Almost surely, 2^3996171755 is an apocalyptic number.

3996171755 is a deficient number, since it is larger than the sum of its proper divisors (799234357).

3996171755 is an equidigital number, since it uses as much as digits as its factorization.

3996171755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799234356.

The product of its digits is 1786050, while the sum is 53.

The square root of 3996171755 is about 63215.2810244485. The cubic root of 3996171755 is about 1586.8944769810.

The spelling of 3996171755 in words is "three billion, nine hundred ninety-six million, one hundred seventy-one thousand, seven hundred fifty-five".