67963387 has 2 divisors, whose sum is σ = 67963388. Its totient is φ = 67963386.

The previous prime is 67963373. The next prime is 67963391. The reversal of 67963387 is 78336976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67963387 - 2¹⁵ = 67930619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67963387.

It is not a weakly prime, because it can be changed into another prime (67963397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33981693 + 33981694.

It is an arithmetic number, because the mean of its divisors is an integer number (33981694).

Almost surely, 2^67963387 is an apocalyptic number.

67963387 is a deficient number, since it is larger than the sum of its proper divisors (1).

67963387 is an equidigital number, since it uses as much as digits as its factorization.

67963387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 49.

The square root of 67963387 is about 8243.9909631197. The cubic root of 67963387 is about 408.0922413352.

The spelling of 67963387 in words is "sixty-seven million, nine hundred sixty-three thousand, three hundred eighty-seven".