108786208977 has 20 divisors (see below), whose sum is σ = 165965412096. Its totient is φ = 70981070040.

The previous prime is 108786208969. The next prime is 108786209003. The reversal of 108786208977 is 779802687801.

It is not a de Polignac number, because 108786208977 - 2³ = 108786208969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108786208277) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14283849 + ... + 14291462.

Almost surely, 2^108786208977 is an apocalyptic number.

It is an amenable number.

108786208977 is a deficient number, since it is larger than the sum of its proper divisors (57179203119).

108786208977 is an equidigital number, since it uses as much as digits as its factorization.

108786208977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28575370 (or 28575361 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 63.

The spelling of 108786208977 in words is "one hundred eight billion, seven hundred eighty-six million, two hundred eight thousand, nine hundred seventy-seven".