65789047 has 2 divisors, whose sum is σ = 65789048. Its totient is φ = 65789046.

The previous prime is 65789033. The next prime is 65789069. The reversal of 65789047 is 74098756.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65789047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65788988 and 65789006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65789147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32894523 + 32894524.

It is an arithmetic number, because the mean of its divisors is an integer number (32894524).

Almost surely, 2^65789047 is an apocalyptic number.

65789047 is a deficient number, since it is larger than the sum of its proper divisors (1).

65789047 is an equidigital number, since it uses as much as digits as its factorization.

65789047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 65789047 is about 8111.0447539143. The cubic root of 65789047 is about 403.6929810498.

It can be divided in two parts, 6578 and 9047, that added together give a 6-th power (15625 = 5⁶).

The spelling of 65789047 in words is "sixty-five million, seven hundred eighty-nine thousand, forty-seven".