108677693569 has 3 divisors (see below), whose sum is σ = 108678023233. Its totient is φ = 108677363906.

The previous prime is 108677693563. The next prime is 108677693623. The reversal of 108677693569 is 965396776801.

The square root of 108677693569 is 329663.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 965396776801 = 1013 ⋅953007677.

It is a de Polignac number, because none of the positive numbers 2^k-108677693569 is a prime.

It is a super-2 number, since 2×108677693569² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108677693563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 164832 + ... + 494494.

Almost surely, 2^108677693569 is an apocalyptic number.

108677693569 is the 329663-rd square number.

108677693569 is the 164832-nd centered octagonal number.

It is an amenable number.

108677693569 is a deficient number, since it is larger than the sum of its proper divisors (329664).

108677693569 is an frugal number, since it uses more digits than its factorization.

108677693569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659326 (or 329663 counting only the distinct ones).

The product of its (nonzero) digits is 102876480, while the sum is 67.

The spelling of 108677693569 in words is "one hundred eight billion, six hundred seventy-seven million, six hundred ninety-three thousand, five hundred sixty-nine".