946278847 has 2 divisors, whose sum is σ = 946278848. Its totient is φ = 946278846.

The previous prime is 946278833. The next prime is 946278859. The reversal of 946278847 is 748872649.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-946278847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (946278877) 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, 473139423 + 473139424.

It is an arithmetic number, because the mean of its divisors is an integer number (473139424).

Almost surely, 2^946278847 is an apocalyptic number.

946278847 is a deficient number, since it is larger than the sum of its proper divisors (1).

946278847 is an equidigital number, since it uses as much as digits as its factorization.

946278847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5419008, while the sum is 55.

The square root of 946278847 is about 30761.6457134530. The cubic root of 946278847 is about 981.7623594850.

The spelling of 946278847 in words is "nine hundred forty-six million, two hundred seventy-eight thousand, eight hundred forty-seven".