868539227 has 2 divisors, whose sum is σ = 868539228. Its totient is φ = 868539226.

The previous prime is 868539211. The next prime is 868539233. The reversal of 868539227 is 722935868.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 868539227 - 2⁴ = 868539211 is a prime.

It is not a weakly prime, because it can be changed into another prime (868539277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434269613 + 434269614.

It is an arithmetic number, because the mean of its divisors is an integer number (434269614).

Almost surely, 2^868539227 is an apocalyptic number.

868539227 is a deficient number, since it is larger than the sum of its proper divisors (1).

868539227 is an equidigital number, since it uses as much as digits as its factorization.

868539227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 868539227 is about 29470.9895829780. The cubic root of 868539227 is about 954.1056755542.

The spelling of 868539227 in words is "eight hundred sixty-eight million, five hundred thirty-nine thousand, two hundred twenty-seven".