94479947 has 2 divisors, whose sum is σ = 94479948. Its totient is φ = 94479946.

The previous prime is 94479937. The next prime is 94479961. The reversal of 94479947 is 74997449.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94479947 is a prime.

It is a super-3 number, since 3×94479947³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (94479937) 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, 47239973 + 47239974.

It is an arithmetic number, because the mean of its divisors is an integer number (47239974).

Almost surely, 2^94479947 is an apocalyptic number.

94479947 is a deficient number, since it is larger than the sum of its proper divisors (1).

94479947 is an equidigital number, since it uses as much as digits as its factorization.

94479947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 53.

The square root of 94479947 is about 9720.0795778635. The cubic root of 94479947 is about 455.4561251325.

The spelling of 94479947 in words is "ninety-four million, four hundred seventy-nine thousand, nine hundred forty-seven".