3967936087 has 2 divisors, whose sum is σ = 3967936088. Its totient is φ = 3967936086.

The previous prime is 3967936043. The next prime is 3967936099. The reversal of 3967936087 is 7806397693.

It is a strong prime.

It is an emirp because it is prime and its reverse (7806397693) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3967936087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3967936487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1983968043 + 1983968044.

It is an arithmetic number, because the mean of its divisors is an integer number (1983968044).

Almost surely, 2^3967936087 is an apocalyptic number.

3967936087 is a deficient number, since it is larger than the sum of its proper divisors (1).

3967936087 is an equidigital number, since it uses as much as digits as its factorization.

3967936087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10287648, while the sum is 58.

The square root of 3967936087 is about 62991.5556801068. Note that the first 3 decimals coincide. The cubic root of 3967936087 is about 1583.1481438021.

The spelling of 3967936087 in words is "three billion, nine hundred sixty-seven million, nine hundred thirty-six thousand, eighty-seven".