868868873 has 2 divisors, whose sum is σ = 868868874. Its totient is φ = 868868872.

The previous prime is 868868851. The next prime is 868868921. The reversal of 868868873 is 378868868.

868868873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 845181184 + 23687689 = 29072^2 + 4867^2 .

It is a cyclic number.

It is not a de Polignac number, because 868868873 - 2⁶ = 868868809 is a prime.

It is not a weakly prime, because it can be changed into another prime (868868573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434434436 + 434434437.

It is an arithmetic number, because the mean of its divisors is an integer number (434434437).

Almost surely, 2^868868873 is an apocalyptic number.

It is an amenable number.

868868873 is a deficient number, since it is larger than the sum of its proper divisors (1).

868868873 is an equidigital number, since it uses as much as digits as its factorization.

868868873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24772608, while the sum is 62.

The square root of 868868873 is about 29476.5817726547. The cubic root of 868868873 is about 954.2263676033.

It can be divided in two parts, 86886 and 8873, that added together give a palindrome (95759).

The spelling of 868868873 in words is "eight hundred sixty-eight million, eight hundred sixty-eight thousand, eight hundred seventy-three".