3961772127 has 12 divisors (see below), whose sum is σ = 5934506760. Its totient is φ = 2641181256.

The previous prime is 3961772107. The next prime is 3961772153. The reversal of 3961772127 is 7212771693.

3961772127 is a `hidden beast` number, since 3 + 9 + 617 + 7 + 2 + 1 + 27 = 666.

It is not a de Polignac number, because 3961772127 - 2¹⁶ = 3961706591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961772107) 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, 8151552 + ... + 8152037.

It is an arithmetic number, because the mean of its divisors is an integer number (494542230).

Almost surely, 2^3961772127 is an apocalyptic number.

3961772127 is a deficient number, since it is larger than the sum of its proper divisors (1972734633).

3961772127 is an equidigital number, since it uses as much as digits as its factorization.

3961772127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16303604 (or 16303592 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 3961772127 is about 62942.6097886003. The cubic root of 3961772127 is about 1582.3279424806.

The spelling of 3961772127 in words is "three billion, nine hundred sixty-one million, seven hundred seventy-two thousand, one hundred twenty-seven".