64765711 has 2 divisors, whose sum is σ = 64765712. Its totient is φ = 64765710.

The previous prime is 64765663. The next prime is 64765717. The reversal of 64765711 is 11756746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64765711 - 2¹³ = 64757519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64765717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32382855 + 32382856.

It is an arithmetic number, because the mean of its divisors is an integer number (32382856).

Almost surely, 2^64765711 is an apocalyptic number.

64765711 is a deficient number, since it is larger than the sum of its proper divisors (1).

64765711 is an equidigital number, since it uses as much as digits as its factorization.

64765711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 37.

The square root of 64765711 is about 8047.7146445435. The cubic root of 64765711 is about 401.5889112951.

The spelling of 64765711 in words is "sixty-four million, seven hundred sixty-five thousand, seven hundred eleven".