8268668628 has 48 divisors (see below), whose sum is σ = 21070203840. Its totient is φ = 2502956800.

The previous prime is 8268668557. The next prime is 8268668663.

8268668628 is nontrivially palindromic in base 10.

It is a super-5 number, since 5×8268668628⁵ (a number of 51 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90928 + ... + 157496.

It is an arithmetic number, because the mean of its divisors is an integer number (438962580).

Almost surely, 2^8268668628 is an apocalyptic number.

It is an amenable number.

8268668628 is an abundant number, since it is smaller than the sum of its proper divisors (12801535212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8268668628 is a wasteful number, since it uses less digits than its factorization.

8268668628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67528 (or 67526 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 60.

The square root of 8268668628 is about 90932.2199663024. The cubic root of 8268668628 is about 2022.1429915480.

The spelling of 8268668628 in words is "eight billion, two hundred sixty-eight million, six hundred sixty-eight thousand, six hundred twenty-eight".