108473857 has 4 divisors (see below), whose sum is σ = 109469140. Its totient is φ = 107478576.

The previous prime is 108473851. The next prime is 108473863. The reversal of 108473857 is 758374801.

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

It is an interprime number because it is at equal distance from previous prime (108473851) and next prime (108473863).

It can be written as a sum of positive squares in 2 ways, for example, as 62789776 + 45684081 = 7924^2 + 6759^2 .

It is a cyclic number.

It is not a de Polignac number, because 108473857 - 2¹⁵ = 108441089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108473851) 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 3 ways as a sum of consecutive naturals, for example, 497478 + ... + 497695.

It is an arithmetic number, because the mean of its divisors is an integer number (27367285).

Almost surely, 2^108473857 is an apocalyptic number.

It is an amenable number.

108473857 is a deficient number, since it is larger than the sum of its proper divisors (995283).

108473857 is an equidigital number, since it uses as much as digits as its factorization.

108473857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995282.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 108473857 is about 10415.0783482411. The cubic root of 108473857 is about 476.9157819457.

The spelling of 108473857 in words is "one hundred eight million, four hundred seventy-three thousand, eight hundred fifty-seven".