94678009 has 2 divisors, whose sum is σ = 94678010. Its totient is φ = 94678008.

The previous prime is 94677997. The next prime is 94678063. The reversal of 94678009 is 90087649.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56670784 + 38007225 = 7528^2 + 6165^2 .

It is a cyclic number.

It is not a de Polignac number, because 94678009 - 2⁵ = 94677977 is a prime.

It is not a weakly prime, because it can be changed into another prime (94678099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47339004 + 47339005.

It is an arithmetic number, because the mean of its divisors is an integer number (47339005).

Almost surely, 2^94678009 is an apocalyptic number.

It is an amenable number.

94678009 is a deficient number, since it is larger than the sum of its proper divisors (1).

94678009 is an equidigital number, since it uses as much as digits as its factorization.

94678009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 94678009 is about 9730.2625349987. The cubic root of 94678009 is about 455.7741664782.

The spelling of 94678009 in words is "ninety-four million, six hundred seventy-eight thousand, nine".