94657813 has 2 divisors, whose sum is σ = 94657814. Its totient is φ = 94657812.

The previous prime is 94657793. The next prime is 94657817. The reversal of 94657813 is 31875649.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50594769 + 44063044 = 7113^2 + 6638^2 .

It is a cyclic number.

It is not a de Polignac number, because 94657813 - 2⁵ = 94657781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 94657813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94657817) 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, 47328906 + 47328907.

It is an arithmetic number, because the mean of its divisors is an integer number (47328907).

Almost surely, 2^94657813 is an apocalyptic number.

It is an amenable number.

94657813 is a deficient number, since it is larger than the sum of its proper divisors (1).

94657813 is an equidigital number, since it uses as much as digits as its factorization.

94657813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 94657813 is about 9729.2246864794. The cubic root of 94657813 is about 455.7417567358.

The spelling of 94657813 in words is "ninety-four million, six hundred fifty-seven thousand, eight hundred thirteen".