64764705883 has 2 divisors, whose sum is σ = 64764705884. Its totient is φ = 64764705882.

The previous prime is 64764705881. The next prime is 64764705913. The reversal of 64764705883 is 38850746746.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64764705883 - 2¹ = 64764705881 is a prime.

It is a super-2 number, since 2×64764705883² (a number of 22 digits) contains 22 as substring.

Together with 64764705881, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (64764705881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32382352941 + 32382352942.

It is an arithmetic number, because the mean of its divisors is an integer number (32382352942).

Almost surely, 2^64764705883 is an apocalyptic number.

64764705883 is a deficient number, since it is larger than the sum of its proper divisors (1).

64764705883 is an equidigital number, since it uses as much as digits as its factorization.

64764705883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27095040, while the sum is 58.

The spelling of 64764705883 in words is "sixty-four billion, seven hundred sixty-four million, seven hundred five thousand, eight hundred eighty-three".