67082987 has 2 divisors, whose sum is σ = 67082988. Its totient is φ = 67082986.

The previous prime is 67082963. The next prime is 67082989. The reversal of 67082987 is 78928076.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67082987 is a prime.

Together with 67082989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67082989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33541493 + 33541494.

It is an arithmetic number, because the mean of its divisors is an integer number (33541494).

Almost surely, 2^67082987 is an apocalyptic number.

67082987 is a deficient number, since it is larger than the sum of its proper divisors (1).

67082987 is an equidigital number, since it uses as much as digits as its factorization.

67082987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 67082987 is about 8190.4204409786. The cubic root of 67082987 is about 406.3224302572.

The spelling of 67082987 in words is "sixty-seven million, eighty-two thousand, nine hundred eighty-seven".