66795200627 has 2 divisors, whose sum is σ = 66795200628. Its totient is φ = 66795200626.

The previous prime is 66795200609. The next prime is 66795200639. The reversal of 66795200627 is 72600259766.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66795200627 - 2¹⁴ = 66795184243 is a prime.

It is not a weakly prime, because it can be changed into another prime (66795200827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33397600313 + 33397600314.

It is an arithmetic number, because the mean of its divisors is an integer number (33397600314).

Almost surely, 2^66795200627 is an apocalyptic number.

66795200627 is a deficient number, since it is larger than the sum of its proper divisors (1).

66795200627 is an equidigital number, since it uses as much as digits as its factorization.

66795200627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 66795200627 in words is "sixty-six billion, seven hundred ninety-five million, two hundred thousand, six hundred twenty-seven".