3929775487 has 16 divisors (see below), whose sum is σ = 4317321600. Its totient is φ = 3547340640.

The previous prime is 3929775467. The next prime is 3929775497. The reversal of 3929775487 is 7845779293.

It is a cyclic number.

It is not a de Polignac number, because 3929775487 - 2⁷ = 3929775359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3929775407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2103928 + ... + 2105794.

It is an arithmetic number, because the mean of its divisors is an integer number (269832600).

Almost surely, 2^3929775487 is an apocalyptic number.

3929775487 is a deficient number, since it is larger than the sum of its proper divisors (387546113).

3929775487 is a wasteful number, since it uses less digits than its factorization.

3929775487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126.

The product of its digits is 26671680, while the sum is 61.

The square root of 3929775487 is about 62687.9213804382. The cubic root of 3929775487 is about 1578.0566138635.

The spelling of 3929775487 in words is "three billion, nine hundred twenty-nine million, seven hundred seventy-five thousand, four hundred eighty-seven".