930809881 has 2 divisors, whose sum is σ = 930809882. Its totient is φ = 930809880.

The previous prime is 930809849. The next prime is 930809909. The reversal of 930809881 is 188908039.

930809881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 527161600 + 403648281 = 22960^2 + 20091^2 .

It is a cyclic number.

It is not a de Polignac number, because 930809881 - 2⁵ = 930809849 is a prime.

It is a super-2 number, since 2×930809881² = 1732814069134468322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (930809821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 465404940 + 465404941.

It is an arithmetic number, because the mean of its divisors is an integer number (465404941).

Almost surely, 2^930809881 is an apocalyptic number.

It is an amenable number.

930809881 is a deficient number, since it is larger than the sum of its proper divisors (1).

930809881 is an equidigital number, since it uses as much as digits as its factorization.

930809881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 930809881 is about 30509.1769964383. The cubic root of 930809881 is about 976.3832677000.

The spelling of 930809881 in words is "nine hundred thirty million, eight hundred nine thousand, eight hundred eighty-one".