94568821 has 2 divisors, whose sum is σ = 94568822. Its totient is φ = 94568820.

The previous prime is 94568791. The next prime is 94568827. The reversal of 94568821 is 12886549.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94361796 + 207025 = 9714^2 + 455^2 .

It is a cyclic number.

It is not a de Polignac number, because 94568821 - 2²⁵ = 61014389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94568827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47284410 + 47284411.

It is an arithmetic number, because the mean of its divisors is an integer number (47284411).

Almost surely, 2^94568821 is an apocalyptic number.

It is an amenable number.

94568821 is a deficient number, since it is larger than the sum of its proper divisors (1).

94568821 is an equidigital number, since it uses as much as digits as its factorization.

94568821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 43.

The square root of 94568821 is about 9724.6501736566. The cubic root of 94568821 is about 455.5988909554.

The spelling of 94568821 in words is "ninety-four million, five hundred sixty-eight thousand, eight hundred twenty-one".