108779447 has 16 divisors (see below), whose sum is σ = 132213312. Its totient is φ = 87367680.

The previous prime is 108779441. The next prime is 108779467. The reversal of 108779447 is 744977801.

It is a cyclic number.

It is not a de Polignac number, because 108779447 - 2⁴ = 108779431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108779441) 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, 26783 + ... + 30575.

It is an arithmetic number, because the mean of its divisors is an integer number (8263332).

Almost surely, 2^108779447 is an apocalyptic number.

108779447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

108779447 is a deficient number, since it is larger than the sum of its proper divisors (23433865).

108779447 is a wasteful number, since it uses less digits than its factorization.

108779447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058.

The product of its (nonzero) digits is 395136, while the sum is 47.

The square root of 108779447 is about 10429.7385873281. The cubic root of 108779447 is about 477.3632140199.

The spelling of 108779447 in words is "one hundred eight million, seven hundred seventy-nine thousand, four hundred forty-seven".