868930927 has 2 divisors, whose sum is σ = 868930928. Its totient is φ = 868930926.

The previous prime is 868930891. The next prime is 868930943. The reversal of 868930927 is 729039868.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-868930927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868930957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434465463 + 434465464.

It is an arithmetic number, because the mean of its divisors is an integer number (434465464).

Almost surely, 2^868930927 is an apocalyptic number.

868930927 is a deficient number, since it is larger than the sum of its proper divisors (1).

868930927 is an equidigital number, since it uses as much as digits as its factorization.

868930927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 868930927 is about 29477.6343521661. The cubic root of 868930927 is about 954.2490837865.

The spelling of 868930927 in words is "eight hundred sixty-eight million, nine hundred thirty thousand, nine hundred twenty-seven".