947263843 has 2 divisors, whose sum is σ = 947263844. Its totient is φ = 947263842.

The previous prime is 947263781. The next prime is 947263847. The reversal of 947263843 is 348362749.

947263843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 947263843 - 2¹³ = 947255651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 947263793 and 947263802.

It is not a weakly prime, because it can be changed into another prime (947263847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473631921 + 473631922.

It is an arithmetic number, because the mean of its divisors is an integer number (473631922).

Almost surely, 2^947263843 is an apocalyptic number.

947263843 is a deficient number, since it is larger than the sum of its proper divisors (1).

947263843 is an equidigital number, since it uses as much as digits as its factorization.

947263843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 46.

The square root of 947263843 is about 30777.6516810494. The cubic root of 947263843 is about 982.1028851349.

The spelling of 947263843 in words is "nine hundred forty-seven million, two hundred sixty-three thousand, eight hundred forty-three".