104171857 has 8 divisors (see below), whose sum is σ = 110393640. Its totient is φ = 98125440.

The previous prime is 104171797. The next prime is 104171861. The reversal of 104171857 is 758171401.

It can be written as a sum of positive squares in 4 ways, for example, as 13845841 + 90326016 = 3721^2 + 9504^2 .

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 104171857 - 2¹¹ = 104169809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104171897) 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, 42618 + ... + 44995.

It is an arithmetic number, because the mean of its divisors is an integer number (13799205).

Almost surely, 2^104171857 is an apocalyptic number.

It is an amenable number.

104171857 is a deficient number, since it is larger than the sum of its proper divisors (6221783).

104171857 is an equidigital number, since it uses as much as digits as its factorization.

104171857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87683.

The product of its (nonzero) digits is 7840, while the sum is 34.

The square root of 104171857 is about 10206.4615317945. The cubic root of 104171857 is about 470.5258291758.

The spelling of 104171857 in words is "one hundred four million, one hundred seventy-one thousand, eight hundred fifty-seven".