629029987 has 8 divisors (see below), whose sum is σ = 641789280. Its totient is φ = 616349760.

The previous prime is 629029963. The next prime is 629029991. The reversal of 629029987 is 789920926.

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

It is a cyclic number.

It is not a de Polignac number, because 629029987 - 2¹¹ = 629027939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (629029487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3562 + ... + 35647.

It is an arithmetic number, because the mean of its divisors is an integer number (80223660).

Almost surely, 2^629029987 is an apocalyptic number.

629029987 is a deficient number, since it is larger than the sum of its proper divisors (12759293).

629029987 is a wasteful number, since it uses less digits than its factorization.

629029987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39533.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 629029987 is about 25080.4702308390. The cubic root of 629029987 is about 856.8216859434.

The spelling of 629029987 in words is "six hundred twenty-nine million, twenty-nine thousand, nine hundred eighty-seven".