868989892 has 12 divisors (see below), whose sum is σ = 1569788416. Its totient is φ = 420478920.

The previous prime is 868989839. The next prime is 868989893. The reversal of 868989892 is 298989868.

It is not an unprimeable number, because it can be changed into a prime (868989893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3503868 + ... + 3504115.

Almost surely, 2^868989892 is an apocalyptic number.

It is an amenable number.

868989892 is a deficient number, since it is larger than the sum of its proper divisors (700798524).

868989892 is a wasteful number, since it uses less digits than its factorization.

868989892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7008018 (or 7008016 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 67.

The square root of 868989892 is about 29478.6345002614. The cubic root of 868989892 is about 954.2706681736.

The spelling of 868989892 in words is "eight hundred sixty-eight million, nine hundred eighty-nine thousand, eight hundred ninety-two".