64766711 has 2 divisors, whose sum is σ = 64766712. Its totient is φ = 64766710.

The previous prime is 64766677. The next prime is 64766717. The reversal of 64766711 is 11766746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64766711 - 2¹⁴ = 64750327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64766717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32383355 + 32383356.

It is an arithmetic number, because the mean of its divisors is an integer number (32383356).

Almost surely, 2^64766711 is an apocalyptic number.

64766711 is a deficient number, since it is larger than the sum of its proper divisors (1).

64766711 is an equidigital number, since it uses as much as digits as its factorization.

64766711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 64766711 is about 8047.7767737432. The cubic root of 64766711 is about 401.5909781647.

The spelling of 64766711 in words is "sixty-four million, seven hundred sixty-six thousand, seven hundred eleven".