8263993628 has 18 divisors (see below), whose sum is σ = 15896236608. Its totient is φ = 3756360520.

The previous prime is 8263993603. The next prime is 8263993637.

8263993628 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×8263993628³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8536700 + ... + 8537667.

It is an arithmetic number, because the mean of its divisors is an integer number (883124256).

Almost surely, 2^8263993628 is an apocalyptic number.

It is an amenable number.

8263993628 is a deficient number, since it is larger than the sum of its proper divisors (7632242980).

8263993628 is a wasteful number, since it uses less digits than its factorization.

8263993628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17074393 (or 17074380 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 56.

The square root of 8263993628 is about 90906.5103719200. The cubic root of 8263993628 is about 2021.7618217328.

The spelling of 8263993628 in words is "eight billion, two hundred sixty-three million, nine hundred ninety-three thousand, six hundred twenty-eight".