8889643962 has 24 divisors (see below), whose sum is σ = 20274627360. Its totient is φ = 2807255880.

The previous prime is 8889643949. The next prime is 8889643991. The reversal of 8889643962 is 2693469888.

It is a super-2 number, since 2×8889643962² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8889643962.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12996214 + ... + 12996897.

It is an arithmetic number, because the mean of its divisors is an integer number (844776140).

Almost surely, 2^8889643962 is an apocalyptic number.

8889643962 is an abundant number, since it is smaller than the sum of its proper divisors (11384983398).

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

8889643962 is a wasteful number, since it uses less digits than its factorization.

8889643962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25993138 (or 25993135 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The square root of 8889643962 is about 94284.9084530499. The cubic root of 8889643962 is about 2071.5469903347.

The spelling of 8889643962 in words is "eight billion, eight hundred eighty-nine million, six hundred forty-three thousand, nine hundred sixty-two".