942045847 has 2 divisors, whose sum is σ = 942045848. Its totient is φ = 942045846.

The previous prime is 942045829. The next prime is 942045851. The reversal of 942045847 is 748540249.

It is a strong prime.

It is an emirp because it is prime and its reverse (748540249) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-942045847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (942045817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471022923 + 471022924.

It is an arithmetic number, because the mean of its divisors is an integer number (471022924).

Almost surely, 2^942045847 is an apocalyptic number.

942045847 is a deficient number, since it is larger than the sum of its proper divisors (1).

942045847 is an equidigital number, since it uses as much as digits as its factorization.

942045847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 942045847 is about 30692.7653853477. The cubic root of 942045847 is about 980.2962616019.

The spelling of 942045847 in words is "nine hundred forty-two million, forty-five thousand, eight hundred forty-seven".