920000663 has 2 divisors, whose sum is σ = 920000664. Its totient is φ = 920000662.

The previous prime is 920000647. The next prime is 920000717. The reversal of 920000663 is 366000029.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 920000663 - 2⁴ = 920000647 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920000623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460000331 + 460000332.

It is an arithmetic number, because the mean of its divisors is an integer number (460000332).

Almost surely, 2^920000663 is an apocalyptic number.

920000663 is a deficient number, since it is larger than the sum of its proper divisors (1).

920000663 is an equidigital number, since it uses as much as digits as its factorization.

920000663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 920000663 is about 30331.5127054356. The cubic root of 920000663 is about 972.5890598516.

The spelling of 920000663 in words is "nine hundred twenty million, six hundred sixty-three", and thus it is an aban number.