868694011 has 2 divisors, whose sum is σ = 868694012. Its totient is φ = 868694010.

The previous prime is 868693967. The next prime is 868694051. The reversal of 868694011 is 110496868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 868694011 - 2⁹ = 868693499 is a prime.

It is not a weakly prime, because it can be changed into another prime (868694051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434347005 + 434347006.

It is an arithmetic number, because the mean of its divisors is an integer number (434347006).

Almost surely, 2^868694011 is an apocalyptic number.

868694011 is a deficient number, since it is larger than the sum of its proper divisors (1).

868694011 is an equidigital number, since it uses as much as digits as its factorization.

868694011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 868694011 is about 29473.6155060759. The cubic root of 868694011 is about 954.1623498399.

The spelling of 868694011 in words is "eight hundred sixty-eight million, six hundred ninety-four thousand, eleven".