108485857 has 8 divisors (see below), whose sum is σ = 115641000. Its totient is φ = 101416704.

The previous prime is 108485849. The next prime is 108485863. The reversal of 108485857 is 758584801.

It can be written as a sum of positive squares in 4 ways, for example, as 24561936 + 83923921 = 4956^2 + 9161^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 108485857 - 2³ = 108485849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108485557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18882 + ... + 23947.

It is an arithmetic number, because the mean of its divisors is an integer number (14455125).

Almost surely, 2^108485857 is an apocalyptic number.

108485857 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

108485857 is a deficient number, since it is larger than the sum of its proper divisors (7155143).

108485857 is a wasteful number, since it uses less digits than its factorization.

108485857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42995.

The product of its (nonzero) digits is 358400, while the sum is 46.

The square root of 108485857 is about 10415.6544201505. The cubic root of 108485857 is about 476.9333676833.

The spelling of 108485857 in words is "one hundred eight million, four hundred eighty-five thousand, eight hundred fifty-seven".