8263553628 has 96 divisors (see below), whose sum is σ = 21328699392. Its totient is φ = 2469297600.

The previous prime is 8263553593. The next prime is 8263553633.

8263553628 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3574593 + ... + 3576903.

It is an arithmetic number, because the mean of its divisors is an integer number (222173952).

Almost surely, 2^8263553628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8263553628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10664349696).

8263553628 is an abundant number, since it is smaller than the sum of its proper divisors (13065145764).

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

8263553628 is a wasteful number, since it uses less digits than its factorization.

8263553628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695 (or 2693 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 48.

The square root of 8263553628 is about 90904.0902710104. The cubic root of 8263553628 is about 2021.7259395258.

The spelling of 8263553628 in words is "eight billion, two hundred sixty-three million, five hundred fifty-three thousand, six hundred twenty-eight".