868027081 has 2 divisors, whose sum is σ = 868027082. Its totient is φ = 868027080.

The previous prime is 868027079. The next prime is 868027109. The reversal of 868027081 is 180720868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 609299856 + 258727225 = 24684^2 + 16085^2 .

It is a cyclic number.

It is not a de Polignac number, because 868027081 - 2¹ = 868027079 is a prime.

It is a super-2 number, since 2×868027081² = 1506942026698761122, which contains 22 as substring.

Together with 868027079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (868022081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434013540 + 434013541.

It is an arithmetic number, because the mean of its divisors is an integer number (434013541).

Almost surely, 2^868027081 is an apocalyptic number.

It is an amenable number.

868027081 is a deficient number, since it is larger than the sum of its proper divisors (1).

868027081 is an equidigital number, since it uses as much as digits as its factorization.

868027081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 868027081 is about 29462.2993162448. The cubic root of 868027081 is about 953.9181048737.

The spelling of 868027081 in words is "eight hundred sixty-eight million, twenty-seven thousand, eighty-one".