7982867 has 2 divisors, whose sum is σ = 7982868. Its totient is φ = 7982866.

The previous prime is 7982851. The next prime is 7982879. The reversal of 7982867 is 7682897.

Added to its reverse (7682897) it gives a square (15665764 = 3958²).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7982867 - 2⁴ = 7982851 is a prime.

It is not a weakly prime, because it can be changed into another prime (7982267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3991433 + 3991434.

It is an arithmetic number, because the mean of its divisors is an integer number (3991434).

Almost surely, 2^7982867 is an apocalyptic number.

7982867 is a deficient number, since it is larger than the sum of its proper divisors (1).

7982867 is an equidigital number, since it uses as much as digits as its factorization.

7982867 is an evil number, because the sum of its binary digits is even.

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

The square root of 7982867 is about 2825.3967862939. The cubic root of 7982867 is about 199.8571229551.

Adding to 7982867 its reverse (7682897), we get a square (15665764 = 3958²).

The spelling of 7982867 in words is "seven million, nine hundred eighty-two thousand, eight hundred sixty-seven".