108329436387 has 12 divisors (see below), whose sum is σ = 156566690904. Its totient is φ = 72177698880.

The previous prime is 108329436343. The next prime is 108329436389. The reversal of 108329436387 is 783634923801.

108329436387 is a `hidden beast` number, since 108 + 3 + 29 + 436 + 3 + 87 = 666.

It is not a de Polignac number, because 108329436387 - 2⁶ = 108329436323 is a prime.

It is a super-2 number, since 2×108329436387² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108329436389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3477414 + ... + 3508427.

It is an arithmetic number, because the mean of its divisors is an integer number (13047224242).

Almost surely, 2^108329436387 is an apocalyptic number.

108329436387 is a deficient number, since it is larger than the sum of its proper divisors (48237254517).

108329436387 is a wasteful number, since it uses less digits than its factorization.

108329436387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6987570 (or 6987567 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 108329436387 in words is "one hundred eight billion, three hundred twenty-nine million, four hundred thirty-six thousand, three hundred eighty-seven".