629884687 has 2 divisors, whose sum is σ = 629884688. Its totient is φ = 629884686.

The previous prime is 629884657. The next prime is 629884699. The reversal of 629884687 is 786488926.

629884687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-629884687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (629884657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314942343 + 314942344.

It is an arithmetic number, because the mean of its divisors is an integer number (314942344).

Almost surely, 2^629884687 is an apocalyptic number.

629884687 is a deficient number, since it is larger than the sum of its proper divisors (1).

629884687 is an equidigital number, since it uses as much as digits as its factorization.

629884687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 58.

The square root of 629884687 is about 25097.5036009560. The cubic root of 629884687 is about 857.2095816324.

The spelling of 629884687 in words is "six hundred twenty-nine million, eight hundred eighty-four thousand, six hundred eighty-seven".