7969537866 has 16 divisors (see below), whose sum is σ = 15989360544. Its totient is φ = 2648131824.

The previous prime is 7969537861. The next prime is 7969537883. The reversal of 7969537866 is 6687359697.

It is a junction number, because it is equal to n+sod(n) for n = 7969537797 and 7969537806.

It is not an unprimeable number, because it can be changed into a prime (7969537861) 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 in 7 ways as a sum of consecutive naturals, for example, 2093140 + ... + 2096943.

It is an arithmetic number, because the mean of its divisors is an integer number (999335034).

Almost surely, 2^7969537866 is an apocalyptic number.

7969537866 is an abundant number, since it is smaller than the sum of its proper divisors (8019822678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7969537866 is a wasteful number, since it uses less digits than its factorization.

7969537866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190405.

The product of its digits is 102876480, while the sum is 66.

The square root of 7969537866 is about 89272.2681799897. The cubic root of 7969537866 is about 1997.4582599806.

The spelling of 7969537866 in words is "seven billion, nine hundred sixty-nine million, five hundred thirty-seven thousand, eight hundred sixty-six".