906616807 has 2 divisors, whose sum is σ = 906616808. Its totient is φ = 906616806.

The previous prime is 906616751. The next prime is 906616811. The reversal of 906616807 is 708616609.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-906616807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (906616847) 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, 453308403 + 453308404.

It is an arithmetic number, because the mean of its divisors is an integer number (453308404).

Almost surely, 2^906616807 is an apocalyptic number.

906616807 is a deficient number, since it is larger than the sum of its proper divisors (1).

906616807 is an equidigital number, since it uses as much as digits as its factorization.

906616807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 906616807 is about 30110.0781632994. The cubic root of 906616807 is about 967.8497048122.

The spelling of 906616807 in words is "nine hundred six million, six hundred sixteen thousand, eight hundred seven".