868306090 has 16 divisors (see below), whose sum is σ = 1578427560. Its totient is φ = 343883200.

The previous prime is 868306079. The next prime is 868306141. The reversal of 868306090 is 90603868.

It can be written as a sum of positive squares in 4 ways, for example, as 703363441 + 164942649 = 26521^2 + 12843^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428845 + ... + 430864.

Almost surely, 2^868306090 is an apocalyptic number.

868306090 is a deficient number, since it is larger than the sum of its proper divisors (710121470).

868306090 is a wasteful number, since it uses less digits than its factorization.

868306090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859817.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 868306090 is about 29467.0339532163. The cubic root of 868306090 is about 954.0202995445.

The spelling of 868306090 in words is "eight hundred sixty-eight million, three hundred six thousand, ninety".