8194779107 has 2 divisors, whose sum is σ = 8194779108. Its totient is φ = 8194779106.

The previous prime is 8194779083. The next prime is 8194779113. The reversal of 8194779107 is 7019774918.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8194779107 - 2¹⁰ = 8194778083 is a prime.

It is a super-2 number, since 2×8194779107² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8194779167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4097389553 + 4097389554.

It is an arithmetic number, because the mean of its divisors is an integer number (4097389554).

Almost surely, 2^8194779107 is an apocalyptic number.

8194779107 is a deficient number, since it is larger than the sum of its proper divisors (1).

8194779107 is an equidigital number, since it uses as much as digits as its factorization.

8194779107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 889056, while the sum is 53.

The square root of 8194779107 is about 90525.0192322542. The cubic root of 8194779107 is about 2016.1016133951.

The spelling of 8194779107 in words is "eight billion, one hundred ninety-four million, seven hundred seventy-nine thousand, one hundred seven".