947768873 has 2 divisors, whose sum is σ = 947768874. Its totient is φ = 947768872.

The previous prime is 947768867. The next prime is 947768881. The reversal of 947768873 is 378867749.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 510624409 + 437144464 = 22597^2 + 20908^2 .

It is a cyclic number.

It is not a de Polignac number, because 947768873 - 2²⁴ = 930991657 is a prime.

It is not a weakly prime, because it can be changed into another prime (947768813) 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, 473884436 + 473884437.

It is an arithmetic number, because the mean of its divisors is an integer number (473884437).

Almost surely, 2^947768873 is an apocalyptic number.

It is an amenable number.

947768873 is a deficient number, since it is larger than the sum of its proper divisors (1).

947768873 is an equidigital number, since it uses as much as digits as its factorization.

947768873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14224896, while the sum is 59.

The square root of 947768873 is about 30785.8550798902. The cubic root of 947768873 is about 982.2773888928.

The spelling of 947768873 in words is "nine hundred forty-seven million, seven hundred sixty-eight thousand, eight hundred seventy-three".