868982988 has 12 divisors (see below), whose sum is σ = 2027627000. Its totient is φ = 289660992.

The previous prime is 868982981. The next prime is 868983061. The reversal of 868982988 is 889289868.

868982988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (868982981) 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, 36207613 + ... + 36207636.

Almost surely, 2^868982988 is an apocalyptic number.

It is an amenable number.

868982988 is an abundant number, since it is smaller than the sum of its proper divisors (1158644012).

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

868982988 is a wasteful number, since it uses less digits than its factorization.

868982988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72415256 (or 72415254 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 66.

The square root of 868982988 is about 29478.5173982682. The cubic root of 868982988 is about 954.2681409857.

The spelling of 868982988 in words is "eight hundred sixty-eight million, nine hundred eighty-two thousand, nine hundred eighty-eight".