3995660773 has 32 divisors (see below), whose sum is σ = 4803563520. Its totient is φ = 3287623680.

The previous prime is 3995660771. The next prime is 3995660789. The reversal of 3995660773 is 3770665993.

It is not a de Polignac number, because 3995660773 - 2¹ = 3995660771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3995660771) 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, 315793 + ... + 328201.

It is an arithmetic number, because the mean of its divisors is an integer number (150111360).

Almost surely, 2^3995660773 is an apocalyptic number.

It is an amenable number.

3995660773 is a deficient number, since it is larger than the sum of its proper divisors (807902747).

3995660773 is a wasteful number, since it uses less digits than its factorization.

3995660773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12517.

The product of its (nonzero) digits is 6429780, while the sum is 55.

The square root of 3995660773 is about 63211.2392933409. The cubic root of 3995660773 is about 1586.8268364885.

The spelling of 3995660773 in words is "three billion, nine hundred ninety-five million, six hundred sixty thousand, seven hundred seventy-three".