8689912938 has 36 divisors (see below), whose sum is σ = 21902129730. Its totient is φ = 2482832016.

The previous prime is 8689912937. The next prime is 8689912943. The reversal of 8689912938 is 8392199868.

It can be written as a sum of positive squares in only one way, i.e., 5239877769 + 3450035169 = 72387^2 + 58737^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (8689912937) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4925373 + ... + 4927136.

Almost surely, 2^8689912938 is an apocalyptic number.

8689912938 is an abundant number, since it is smaller than the sum of its proper divisors (13212216792).

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

8689912938 is a wasteful number, since it uses less digits than its factorization.

8689912938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9852531 (or 9852521 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 63.

The square root of 8689912938 is about 93219.7025204436. The cubic root of 8689912938 is about 2055.9149366829.

The spelling of 8689912938 in words is "eight billion, six hundred eighty-nine million, nine hundred twelve thousand, nine hundred thirty-eight".