905930863 has 2 divisors, whose sum is σ = 905930864. Its totient is φ = 905930862.

The previous prime is 905930813. The next prime is 905930873. The reversal of 905930863 is 368039509.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 905930863 - 2⁹ = 905930351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (905930813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452965431 + 452965432.

It is an arithmetic number, because the mean of its divisors is an integer number (452965432).

Almost surely, 2^905930863 is an apocalyptic number.

905930863 is a deficient number, since it is larger than the sum of its proper divisors (1).

905930863 is an equidigital number, since it uses as much as digits as its factorization.

905930863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 905930863 is about 30098.6854031866. The cubic root of 905930863 is about 967.6055523413.

The spelling of 905930863 in words is "nine hundred five million, nine hundred thirty thousand, eight hundred sixty-three".