7214285987 has 2 divisors, whose sum is σ = 7214285988. Its totient is φ = 7214285986.

The previous prime is 7214285957. The next prime is 7214286029. The reversal of 7214285987 is 7895824127.

It is a weak prime.

It is an emirp because it is prime and its reverse (7895824127) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7214285987 is a prime.

It is not a weakly prime, because it can be changed into another prime (7214285957) 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, 3607142993 + 3607142994.

It is an arithmetic number, because the mean of its divisors is an integer number (3607142994).

Almost surely, 2^7214285987 is an apocalyptic number.

7214285987 is a deficient number, since it is larger than the sum of its proper divisors (1).

7214285987 is an equidigital number, since it uses as much as digits as its factorization.

7214285987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 53.

The square root of 7214285987 is about 84936.9530122196. The cubic root of 7214285987 is about 1932.2550522049.

The spelling of 7214285987 in words is "seven billion, two hundred fourteen million, two hundred eighty-five thousand, nine hundred eighty-seven".