3287667997 has 4 divisors (see below), whose sum is σ = 3295514880. Its totient is φ = 3279821116.

The previous prime is 3287667949. The next prime is 3287668003. The reversal of 3287667997 is 7997667823.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3287667997 - 2¹⁹ = 3287143709 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 (3287667937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3922813 + ... + 3923650.

It is an arithmetic number, because the mean of its divisors is an integer number (823878720).

Almost surely, 2^3287667997 is an apocalyptic number.

It is an amenable number.

3287667997 is a deficient number, since it is larger than the sum of its proper divisors (7846883).

3287667997 is an equidigital number, since it uses as much as digits as its factorization.

3287667997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7846882.

The product of its digits is 48009024, while the sum is 64.

The square root of 3287667997 is about 57338.1896906416. The cubic root of 3287667997 is about 1486.9486971611.

The spelling of 3287667997 in words is "three billion, two hundred eighty-seven million, six hundred sixty-seven thousand, nine hundred ninety-seven".