64723600127 has 2 divisors, whose sum is σ = 64723600128. Its totient is φ = 64723600126.

The previous prime is 64723600079. The next prime is 64723600163. The reversal of 64723600127 is 72100632746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64723600127 - 2²⁸ = 64455164671 is a prime.

It is a super-2 number, since 2×64723600127² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64723600177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32361800063 + 32361800064.

It is an arithmetic number, because the mean of its divisors is an integer number (32361800064).

Almost surely, 2^64723600127 is an apocalyptic number.

64723600127 is a deficient number, since it is larger than the sum of its proper divisors (1).

64723600127 is an equidigital number, since it uses as much as digits as its factorization.

64723600127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 64723600127 in words is "sixty-four billion, seven hundred twenty-three million, six hundred thousand, one hundred twenty-seven".