3996776993 has 16 divisors (see below), whose sum is σ = 4618736640. Its totient is φ = 3418118400.

The previous prime is 3996776989. The next prime is 3996777077.

3996776993 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 3996776993 - 2² = 3996776989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3996776923) 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, 591488 + ... + 598206.

It is an arithmetic number, because the mean of its divisors is an integer number (288671040).

Almost surely, 2^3996776993 is an apocalyptic number.

It is an amenable number.

3996776993 is a deficient number, since it is larger than the sum of its proper divisors (621959647).

3996776993 is a wasteful number, since it uses less digits than its factorization.

3996776993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9928.

The product of its digits is 104162436, while the sum is 68.

The square root of 3996776993 is about 63220.0679610517. The cubic root of 3996776993 is about 1586.9745870142.

The spelling of 3996776993 in words is "three billion, nine hundred ninety-six million, seven hundred seventy-six thousand, nine hundred ninety-three".