868830066 has 24 divisors (see below), whose sum is σ = 2027270700. Its totient is φ = 267332256.

The previous prime is 868829971. The next prime is 868830073. The reversal of 868830066 is 660038868.

It can be written as a sum of positive squares in 2 ways, for example, as 859955625 + 8874441 = 29325^2 + 2979^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1856241 + ... + 1856708.

Almost surely, 2^868830066 is an apocalyptic number.

868830066 is an abundant number, since it is smaller than the sum of its proper divisors (1158440634).

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

868830066 is a wasteful number, since it uses less digits than its factorization.

868830066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712970 (or 3712967 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 868830066 is about 29475.9234969831. The cubic root of 868830066 is about 954.2121609280.

The spelling of 868830066 in words is "eight hundred sixty-eight million, eight hundred thirty thousand, sixty-six".