65756479 has 2 divisors, whose sum is σ = 65756480. Its totient is φ = 65756478.

The previous prime is 65756461. The next prime is 65756489. The reversal of 65756479 is 97465756.

65756479 = 3308² + 3309² + ... + 3313².

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65756479 - 2⁷ = 65756351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65756419) 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, 32878239 + 32878240.

It is an arithmetic number, because the mean of its divisors is an integer number (32878240).

Almost surely, 2^65756479 is an apocalyptic number.

65756479 is a deficient number, since it is larger than the sum of its proper divisors (1).

65756479 is an equidigital number, since it uses as much as digits as its factorization.

65756479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1587600, while the sum is 49.

The square root of 65756479 is about 8109.0368725268. The cubic root of 65756479 is about 403.6263557593.

The spelling of 65756479 in words is "sixty-five million, seven hundred fifty-six thousand, four hundred seventy-nine".