7969886889697 has 4 divisors (see below), whose sum is σ = 8017610763456. Its totient is φ = 7922163015940.

The previous prime is 7969886889673. The next prime is 7969886889707.

7969886889697 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7969886889697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7969886889397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23861936629 + ... + 23861936962.

It is an arithmetic number, because the mean of its divisors is an integer number (2004402690864).

Almost surely, 2^{7969886889697} is an apocalyptic number.

It is an amenable number.

7969886889697 is a deficient number, since it is larger than the sum of its proper divisors (47723873759).

7969886889697 is a wasteful number, since it uses less digits than its factorization.

7969886889697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47723873758.

The product of its digits is 284432891904, while the sum is 100.

The spelling of 7969886889697 in words is "seven trillion, nine hundred sixty-nine billion, eight hundred eighty-six million, eight hundred eighty-nine thousand, six hundred ninety-seven".