65875847 has 2 divisors, whose sum is σ = 65875848. Its totient is φ = 65875846.

The previous prime is 65875783. The next prime is 65875883. The reversal of 65875847 is 74857856.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65875847 - 2⁶ = 65875783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65875795 and 65875804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65875897) 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, 32937923 + 32937924.

It is an arithmetic number, because the mean of its divisors is an integer number (32937924).

Almost surely, 2^65875847 is an apocalyptic number.

65875847 is a deficient number, since it is larger than the sum of its proper divisors (1).

65875847 is an equidigital number, since it uses as much as digits as its factorization.

65875847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1881600, while the sum is 50.

The square root of 65875847 is about 8116.3937188877. The cubic root of 65875847 is about 403.8704429687.

Subtracting 65875847 from its reverse (74857856), we obtain a square (8982009 = 2997²).

The spelling of 65875847 in words is "sixty-five million, eight hundred seventy-five thousand, eight hundred forty-seven".