3928968287 has 2 divisors, whose sum is σ = 3928968288. Its totient is φ = 3928968286.

The previous prime is 3928968283. The next prime is 3928968299. The reversal of 3928968287 is 7828698293.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3928968287 - 2² = 3928968283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3928968283) 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 as a sum of consecutive naturals, namely, 1964484143 + 1964484144.

It is an arithmetic number, because the mean of its divisors is an integer number (1964484144).

Almost surely, 2^3928968287 is an apocalyptic number.

3928968287 is a deficient number, since it is larger than the sum of its proper divisors (1).

3928968287 is an equidigital number, since it uses as much as digits as its factorization.

3928968287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888, while the sum is 62.

The square root of 3928968287 is about 62681.4828079234. The cubic root of 3928968287 is about 1577.9485589607.

The spelling of 3928968287 in words is "three billion, nine hundred twenty-eight million, nine hundred sixty-eight thousand, two hundred eighty-seven".