65885947 has 2 divisors, whose sum is σ = 65885948. Its totient is φ = 65885946.

The previous prime is 65885929. The next prime is 65885959. The reversal of 65885947 is 74958856.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65885947 - 2²³ = 57497339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65885894 and 65885903.

It is not a weakly prime, because it can be changed into another prime (65885927) 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, 32942973 + 32942974.

It is an arithmetic number, because the mean of its divisors is an integer number (32942974).

Almost surely, 2^65885947 is an apocalyptic number.

65885947 is a deficient number, since it is larger than the sum of its proper divisors (1).

65885947 is an equidigital number, since it uses as much as digits as its factorization.

65885947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 52.

The square root of 65885947 is about 8117.0158925556. The cubic root of 65885947 is about 403.8910822126.

The spelling of 65885947 in words is "sixty-five million, eight hundred eighty-five thousand, nine hundred forty-seven".