94947869 has 2 divisors, whose sum is σ = 94947870. Its totient is φ = 94947868.

The previous prime is 94947821. The next prime is 94947877. The reversal of 94947869 is 96874949.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91450969 + 3496900 = 9563^2 + 1870^2 .

It is a cyclic number.

It is not a de Polignac number, because 94947869 - 2²⁰ = 93899293 is a prime.

It is a super-2 number, since 2×94947869² = 18030195655282322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94947889) 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, 47473934 + 47473935.

It is an arithmetic number, because the mean of its divisors is an integer number (47473935).

Almost surely, 2^94947869 is an apocalyptic number.

It is an amenable number.

94947869 is a deficient number, since it is larger than the sum of its proper divisors (1).

94947869 is an equidigital number, since it uses as much as digits as its factorization.

94947869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 56.

The square root of 94947869 is about 9744.1197139608. The cubic root of 94947869 is about 456.2067855736.

The spelling of 94947869 in words is "ninety-four million, nine hundred forty-seven thousand, eight hundred sixty-nine".