64765763 has 2 divisors, whose sum is σ = 64765764. Its totient is φ = 64765762.

The previous prime is 64765747. The next prime is 64765793. The reversal of 64765763 is 36756746.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64765763 - 2⁴ = 64765747 is a prime.

It is not a weakly prime, because it can be changed into another prime (64765793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32382881 + 32382882.

It is an arithmetic number, because the mean of its divisors is an integer number (32382882).

Almost surely, 2^64765763 is an apocalyptic number.

64765763 is a deficient number, since it is larger than the sum of its proper divisors (1).

64765763 is an equidigital number, since it uses as much as digits as its factorization.

64765763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 44.

The square root of 64765763 is about 8047.7178752737. The cubic root of 64765763 is about 401.5890187728.

The spelling of 64765763 in words is "sixty-four million, seven hundred sixty-five thousand, seven hundred sixty-three".