94109947 has 2 divisors, whose sum is σ = 94109948. Its totient is φ = 94109946.

The previous prime is 94109879. The next prime is 94109963. The reversal of 94109947 is 74990149.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 94109947 - 2⁷ = 94109819 is a prime.

It is not a weakly prime, because it can be changed into another prime (94109047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47054973 + 47054974.

It is an arithmetic number, because the mean of its divisors is an integer number (47054974).

Almost surely, 2^94109947 is an apocalyptic number.

94109947 is a deficient number, since it is larger than the sum of its proper divisors (1).

94109947 is an equidigital number, since it uses as much as digits as its factorization.

94109947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 94109947 is about 9701.0281413879. The cubic root of 94109947 is about 454.8607987008.

The spelling of 94109947 in words is "ninety-four million, one hundred nine thousand, nine hundred forty-seven".