8394242771 has 16 divisors (see below), whose sum is σ = 8908124736. Its totient is φ = 7893490176.

The previous prime is 8394242749. The next prime is 8394242861. The reversal of 8394242771 is 1772424938.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8394242771 - 2¹⁸ = 8393980627 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8394241771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517541 + ... + 533513.

It is an arithmetic number, because the mean of its divisors is an integer number (556757796).

Almost surely, 2^8394242771 is an apocalyptic number.

8394242771 is a deficient number, since it is larger than the sum of its proper divisors (513881965).

8394242771 is a wasteful number, since it uses less digits than its factorization.

8394242771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16382.

The product of its digits is 677376, while the sum is 47.

The square root of 8394242771 is about 91620.1002564394. The cubic root of 8394242771 is about 2032.3281926804.

The spelling of 8394242771 in words is "eight billion, three hundred ninety-four million, two hundred forty-two thousand, seven hundred seventy-one".