66797363 has 2 divisors, whose sum is σ = 66797364. Its totient is φ = 66797362.

The previous prime is 66797347. The next prime is 66797371. The reversal of 66797363 is 36379766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66797363 - 2⁴ = 66797347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (66797333) 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, 33398681 + 33398682.

It is an arithmetic number, because the mean of its divisors is an integer number (33398682).

Almost surely, 2^66797363 is an apocalyptic number.

66797363 is a deficient number, since it is larger than the sum of its proper divisors (1).

66797363 is an equidigital number, since it uses as much as digits as its factorization.

66797363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 47.

The square root of 66797363 is about 8172.9653737184. The cubic root of 66797363 is about 405.7449339042.

The spelling of 66797363 in words is "sixty-six million, seven hundred ninety-seven thousand, three hundred sixty-three".