844950947 has 2 divisors, whose sum is σ = 844950948. Its totient is φ = 844950946.

The previous prime is 844950943. The next prime is 844951013. The reversal of 844950947 is 749059448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 844950947 - 2² = 844950943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 844950895 and 844950904.

It is not a weakly prime, because it can be changed into another prime (844950943) 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, 422475473 + 422475474.

It is an arithmetic number, because the mean of its divisors is an integer number (422475474).

Almost surely, 2^844950947 is an apocalyptic number.

844950947 is a deficient number, since it is larger than the sum of its proper divisors (1).

844950947 is an equidigital number, since it uses as much as digits as its factorization.

844950947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 844950947 is about 29068.0399580020. The cubic root of 844950947 is about 945.3889003354.

The spelling of 844950947 in words is "eight hundred forty-four million, nine hundred fifty thousand, nine hundred forty-seven".