108187708508 has 24 divisors (see below), whose sum is σ = 206847122160. Its totient is φ = 49103147520.

The previous prime is 108187708481. The next prime is 108187708513. The reversal of 108187708508 is 805807781801.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 108187708508.

It is a congruent number.

It is an unprimeable number.

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, 1797143 + ... + 1856366.

It is an arithmetic number, because the mean of its divisors is an integer number (8618630090).

Almost surely, 2^108187708508 is an apocalyptic number.

It is an amenable number.

108187708508 is a deficient number, since it is larger than the sum of its proper divisors (98659413652).

108187708508 is a wasteful number, since it uses less digits than its factorization.

108187708508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3654197 (or 3654195 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 53.

Adding to 108187708508 its sum of digits (53), we get a square (108187708561 = 328919²).

The spelling of 108187708508 in words is "one hundred eight billion, one hundred eighty-seven million, seven hundred eight thousand, five hundred eight".