108855851 has 8 divisors (see below), whose sum is σ = 118881504. Its totient is φ = 99066240.

The previous prime is 108855847. The next prime is 108855863. The reversal of 108855851 is 158558801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108855851 - 2² = 108855847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108855799 and 108855808.

It is not an unprimeable number, because it can be changed into a prime (108555851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58046 + ... + 59891.

It is an arithmetic number, because the mean of its divisors is an integer number (14860188).

Almost surely, 2^108855851 is an apocalyptic number.

108855851 is a deficient number, since it is larger than the sum of its proper divisors (10025653).

108855851 is a wasteful number, since it uses less digits than its factorization.

108855851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118021.

The product of its (nonzero) digits is 64000, while the sum is 41.

The square root of 108855851 is about 10433.4007399313. The cubic root of 108855851 is about 477.4749505787.

The spelling of 108855851 in words is "one hundred eight million, eight hundred fifty-five thousand, eight hundred fifty-one".