103478857 has 4 divisors (see below), whose sum is σ = 104138116. Its totient is φ = 102819600.

The previous prime is 103478833. The next prime is 103478867. The reversal of 103478857 is 758874301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 758874301 = 19993 ⋅37957.

It can be written as a sum of positive squares in 2 ways, for example, as 49617936 + 53860921 = 7044^2 + 7339^2 .

It is a cyclic number.

It is not a de Polignac number, because 103478857 - 2¹¹ = 103476809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103478867) 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, 329394 + ... + 329707.

It is an arithmetic number, because the mean of its divisors is an integer number (26034529).

Almost surely, 2^103478857 is an apocalyptic number.

It is an amenable number.

103478857 is a deficient number, since it is larger than the sum of its proper divisors (659259).

103478857 is an equidigital number, since it uses as much as digits as its factorization.

103478857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659258.

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

The square root of 103478857 is about 10172.4557998548. The cubic root of 103478857 is about 469.4801207992.

The spelling of 103478857 in words is "one hundred three million, four hundred seventy-eight thousand, eight hundred fifty-seven".