630868027 has 2 divisors, whose sum is σ = 630868028. Its totient is φ = 630868026.

The previous prime is 630868013. The next prime is 630868031. The reversal of 630868027 is 720868036.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 630868027 - 2¹⁵ = 630835259 is a prime.

It is not a weakly prime, because it can be changed into another prime (630868057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315434013 + 315434014.

It is an arithmetic number, because the mean of its divisors is an integer number (315434014).

Almost surely, 2^630868027 is an apocalyptic number.

630868027 is a deficient number, since it is larger than the sum of its proper divisors (1).

630868027 is an equidigital number, since it uses as much as digits as its factorization.

630868027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 630868027 is about 25117.0863557061. The cubic root of 630868027 is about 857.6554252519.

Subtracting 630868027 from its reverse (720868036), we obtain a palindrome (90000009).

The spelling of 630868027 in words is "six hundred thirty million, eight hundred sixty-eight thousand, twenty-seven".