108120838378 has 24 divisors (see below), whose sum is σ = 188671962852. Its totient is φ = 46334522304.

The previous prime is 108120838369. The next prime is 108120838393. The reversal of 108120838378 is 873838021801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 108061440529 + 59397849 = 328727^2 + 7707^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2231700 + ... + 2279632.

Almost surely, 2^108120838378 is an apocalyptic number.

108120838378 is a deficient number, since it is larger than the sum of its proper divisors (80551124474).

108120838378 is a wasteful number, since it uses less digits than its factorization.

108120838378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70966 (or 70959 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 108120838378 in words is "one hundred eight billion, one hundred twenty million, eight hundred thirty-eight thousand, three hundred seventy-eight".