808391027 has 2 divisors, whose sum is σ = 808391028. Its totient is φ = 808391026.

The previous prime is 808391011. The next prime is 808391131. The reversal of 808391027 is 720193808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 808391027 - 2⁴ = 808391011 is a prime.

It is a super-2 number, since 2×808391027² = 1306992105068229458, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (808399027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404195513 + 404195514.

It is an arithmetic number, because the mean of its divisors is an integer number (404195514).

Almost surely, 2^808391027 is an apocalyptic number.

808391027 is a deficient number, since it is larger than the sum of its proper divisors (1).

808391027 is an equidigital number, since it uses as much as digits as its factorization.

808391027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 808391027 is about 28432.2181160739. The cubic root of 808391027 is about 931.5521262125.

The spelling of 808391027 in words is "eight hundred eight million, three hundred ninety-one thousand, twenty-seven".