8369773697 has 4 divisors (see below), whose sum is σ = 8371389396. Its totient is φ = 8368158000.

The previous prime is 8369773673. The next prime is 8369773703. The reversal of 8369773697 is 7963779638.

8369773697 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4539525376 + 3830248321 = 67376^2 + 61889^2 .

It is a cyclic number.

It is not a de Polignac number, because 8369773697 - 2²⁰ = 8368725121 is a prime.

It is a super-2 number, since 2×8369773697² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8369773597) 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, 800054 + ... + 810447.

It is an arithmetic number, because the mean of its divisors is an integer number (2092847349).

Almost surely, 2^8369773697 is an apocalyptic number.

It is an amenable number.

8369773697 is a deficient number, since it is larger than the sum of its proper divisors (1615699).

8369773697 is a wasteful number, since it uses less digits than its factorization.

8369773697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615698.

The product of its digits is 72013536, while the sum is 65.

The square root of 8369773697 is about 91486.4672888838. The cubic root of 8369773697 is about 2030.3515368298.

The spelling of 8369773697 in words is "eight billion, three hundred sixty-nine million, seven hundred seventy-three thousand, six hundred ninety-seven".