66725059030777 has 8 divisors (see below), whose sum is σ = 76316646972096. Its totient is φ = 57148330252272.

The previous prime is 66725059030753. The next prime is 66725059030781. The reversal of 66725059030777 is 77703095052766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66725059030777 - 2¹⁹ = 66725058506489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66725059030177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3714781078 + ... + 3714799039.

It is an arithmetic number, because the mean of its divisors is an integer number (9539580871512).

Almost surely, 2^{66725059030777} is an apocalyptic number.

It is an amenable number.

66725059030777 is a deficient number, since it is larger than the sum of its proper divisors (9591587941319).

66725059030777 is a wasteful number, since it uses less digits than its factorization.

66725059030777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7429581407.

The product of its (nonzero) digits is 116688600, while the sum is 64.

The spelling of 66725059030777 in words is "sixty-six trillion, seven hundred twenty-five billion, fifty-nine million, thirty thousand, seven hundred seventy-seven".