868464868 has 6 divisors (see below), whose sum is σ = 1519813526. Its totient is φ = 434232432.

The previous prime is 868464853. The next prime is 868464871.

868464868 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 737774244 + 130690624 = 27162^2 + 11432^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108558105 + ... + 108558112.

Almost surely, 2^868464868 is an apocalyptic number.

It is an amenable number.

868464868 is a deficient number, since it is larger than the sum of its proper divisors (651348658).

868464868 is a wasteful number, since it uses less digits than its factorization.

868464868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217116221 (or 217116219 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 58.

The square root of 868464868 is about 29469.7279933154. The cubic root of 868464868 is about 954.0784465523.

The spelling of 868464868 in words is "eight hundred sixty-eight million, four hundred sixty-four thousand, eight hundred sixty-eight".