811047607 has 2 divisors, whose sum is σ = 811047608. Its totient is φ = 811047606.

The previous prime is 811047583. The next prime is 811047617. The reversal of 811047607 is 706740118.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 811047607 - 2²³ = 802658999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (811047617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405523803 + 405523804.

It is an arithmetic number, because the mean of its divisors is an integer number (405523804).

Almost surely, 2^811047607 is an apocalyptic number.

811047607 is a deficient number, since it is larger than the sum of its proper divisors (1).

811047607 is an equidigital number, since it uses as much as digits as its factorization.

811047607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 811047607 is about 28478.8975734666. The cubic root of 811047607 is about 932.5714500808.

The spelling of 811047607 in words is "eight hundred eleven million, forty-seven thousand, six hundred seven".