8783168628 has 72 divisors (see below), whose sum is σ = 22388764608. Its totient is φ = 2678527488.

The previous prime is 8783168621. The next prime is 8783168629. The reversal of 8783168628 is 8268613878.

It is a happy number.

It is a super-2 number, since 2×8783168628² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8783168621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210001 + ... + 248327.

It is an arithmetic number, because the mean of its divisors is an integer number (310955064).

Almost surely, 2^8783168628 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 8783168628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11194382304).

8783168628 is an abundant number, since it is smaller than the sum of its proper divisors (13605595980).

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

8783168628 is a wasteful number, since it uses less digits than its factorization.

8783168628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38473 (or 38458 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 57.

The square root of 8783168628 is about 93718.5607443904. The cubic root of 8783168628 is about 2063.2431263911.

The spelling of 8783168628 in words is "eight billion, seven hundred eighty-three million, one hundred sixty-eight thousand, six hundred twenty-eight".