94678109 has 2 divisors, whose sum is σ = 94678110. Its totient is φ = 94678108.

The previous prime is 94678099. The next prime is 94678141. The reversal of 94678109 is 90187649.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85618009 + 9060100 = 9253^2 + 3010^2 .

It is a cyclic number.

It is not a de Polignac number, because 94678109 - 2⁸ = 94677853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 94678109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94678009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47339054 + 47339055.

It is an arithmetic number, because the mean of its divisors is an integer number (47339055).

Almost surely, 2^94678109 is an apocalyptic number.

It is an amenable number.

94678109 is a deficient number, since it is larger than the sum of its proper divisors (1).

94678109 is an equidigital number, since it uses as much as digits as its factorization.

94678109 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 44.

The square root of 94678109 is about 9730.2676736049. The cubic root of 94678109 is about 455.7743269428.

It can be divided in two parts, 9467 and 8109, that added together give a cube (17576 = 26³).

The spelling of 94678109 in words is "ninety-four million, six hundred seventy-eight thousand, one hundred nine".