628667963815 has 8 divisors (see below), whose sum is σ = 771945779088. Its totient is φ = 491238222720.

The previous prime is 628667963789. The next prime is 628667963851. The reversal of 628667963815 is 518369766826.

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

It is not a de Polignac number, because 628667963815 - 2²¹ = 628665866663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1462018306 + ... + 1462018735.

It is an arithmetic number, because the mean of its divisors is an integer number (96493222386).

Almost surely, 2^628667963815 is an apocalyptic number.

628667963815 is a deficient number, since it is larger than the sum of its proper divisors (143277815273).

628667963815 is a wasteful number, since it uses less digits than its factorization.

628667963815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924037089.

The product of its digits is 156764160, while the sum is 67.

The spelling of 628667963815 in words is "six hundred twenty-eight billion, six hundred sixty-seven million, nine hundred sixty-three thousand, eight hundred fifteen".