868868868 has 48 divisors (see below), whose sum is σ = 2391732224. Its totient is φ = 240239520.

The previous prime is 868868851. The next prime is 868868873.

868868868 is nontrivially palindromic in base 10.

868868868 is a modest number, since divided by 868868 gives 868 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 868868799 and 868868808.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164230 + ... + 169437.

Almost surely, 2^868868868 is an apocalyptic number.

It is an amenable number.

868868868 is an abundant number, since it is smaller than the sum of its proper divisors (1522863356).

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

868868868 is a wasteful number, since it uses less digits than its factorization.

868868868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333712 (or 333710 counting only the distinct ones).

The product of its digits is 56623104, while the sum is 66.

The square root of 868868868 is about 29476.5816878416. The cubic root of 868868868 is about 954.2263657729.

The spelling of 868868868 in words is "eight hundred sixty-eight million, eight hundred sixty-eight thousand, eight hundred sixty-eight".