108538855 has 4 divisors (see below), whose sum is σ = 130246632. Its totient is φ = 86831080.

The previous prime is 108538847. The next prime is 108538867. The reversal of 108538855 is 558835801.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 108538855 - 2³ = 108538847 is a prime.

It is a super-2 number, since 2×108538855² = 23561366089422050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10853881 + ... + 10853890.

It is an arithmetic number, because the mean of its divisors is an integer number (32561658).

Almost surely, 2^108538855 is an apocalyptic number.

108538855 is a deficient number, since it is larger than the sum of its proper divisors (21707777).

108538855 is an equidigital number, since it uses as much as digits as its factorization.

108538855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21707776.

The product of its (nonzero) digits is 192000, while the sum is 43.

The square root of 108538855 is about 10418.1982607359. The cubic root of 108538855 is about 477.0110195861.

The spelling of 108538855 in words is "one hundred eight million, five hundred thirty-eight thousand, eight hundred fifty-five".