103864857 has 4 divisors (see below), whose sum is σ = 138486480. Its totient is φ = 69243236.

The previous prime is 103864853. The next prime is 103864861. The reversal of 103864857 is 758468301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 758468301 = 3 ⋅252822767.

It is an interprime number because it is at equal distance from previous prime (103864853) and next prime (103864861).

It is a cyclic number.

It is not a de Polignac number, because 103864857 - 2² = 103864853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103864853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17310807 + ... + 17310812.

It is an arithmetic number, because the mean of its divisors is an integer number (34621620).

Almost surely, 2^103864857 is an apocalyptic number.

It is an amenable number.

103864857 is a deficient number, since it is larger than the sum of its proper divisors (34621623).

103864857 is an equidigital number, since it uses as much as digits as its factorization.

103864857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34621622.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 103864857 is about 10191.4109425535. The cubic root of 103864857 is about 470.0631528237.

The spelling of 103864857 in words is "one hundred three million, eight hundred sixty-four thousand, eight hundred fifty-seven".