628882267 has 8 divisors (see below), whose sum is σ = 693008624. Its totient is φ = 567006048.

The previous prime is 628882249. The next prime is 628882321. The reversal of 628882267 is 762288826.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-628882267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 628882267.

It is not an unprimeable number, because it can be changed into a prime (628882237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561948 + ... + 563065.

It is an arithmetic number, because the mean of its divisors is an integer number (86626078).

Almost surely, 2^628882267 is an apocalyptic number.

628882267 is a deficient number, since it is larger than the sum of its proper divisors (64126357).

628882267 is a wasteful number, since it uses less digits than its factorization.

628882267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125069.

The product of its digits is 1032192, while the sum is 49.

The square root of 628882267 is about 25077.5251370625. The cubic root of 628882267 is about 856.7546093275.

The spelling of 628882267 in words is "six hundred twenty-eight million, eight hundred eighty-two thousand, two hundred sixty-seven".