108489478707 has 16 divisors (see below), whose sum is σ = 164144839680. Its totient is φ = 70787460456.

The previous prime is 108489478687. The next prime is 108489478829. The reversal of 108489478707 is 707874984801.

108489478707 is a `hidden beast` number, since 1 + 0 + 84 + 89 + 478 + 7 + 0 + 7 = 666.

It is not a de Polignac number, because 108489478707 - 2⁷ = 108489478579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108489678707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42744783 + ... + 42747320.

It is an arithmetic number, because the mean of its divisors is an integer number (10259052480).

Almost surely, 2^108489478707 is an apocalyptic number.

108489478707 is a deficient number, since it is larger than the sum of its proper divisors (55655360973).

108489478707 is an equidigital number, since it uses as much as digits as its factorization.

108489478707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85492159 (or 85492153 counting only the distinct ones).

The product of its (nonzero) digits is 25288704, while the sum is 63.

The spelling of 108489478707 in words is "one hundred eight billion, four hundred eighty-nine million, four hundred seventy-eight thousand, seven hundred seven".