630759677 has 2 divisors, whose sum is σ = 630759678. Its totient is φ = 630759676.

The previous prime is 630759673. The next prime is 630759691. The reversal of 630759677 is 776957036.

630759677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 613998841 + 16760836 = 24779^2 + 4094^2 .

It is a cyclic number.

It is not a de Polignac number, because 630759677 - 2² = 630759673 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630759673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315379838 + 315379839.

It is an arithmetic number, because the mean of its divisors is an integer number (315379839).

Almost surely, 2^630759677 is an apocalyptic number.

It is an amenable number.

630759677 is a deficient number, since it is larger than the sum of its proper divisors (1).

630759677 is an equidigital number, since it uses as much as digits as its factorization.

630759677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1666980, while the sum is 50.

The square root of 630759677 is about 25114.9293648220. The cubic root of 630759677 is about 857.6063223852.

The spelling of 630759677 in words is "six hundred thirty million, seven hundred fifty-nine thousand, six hundred seventy-seven".