107857 has 2 divisors, whose sum is σ = 107858. Its totient is φ = 107856.

The previous prime is 107843. The next prime is 107867. The reversal of 107857 is 758701.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83521 + 24336 = 289^2 + 156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107857 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (107827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53928 + 53929.

It is an arithmetic number, because the mean of its divisors is an integer number (53929).

2¹⁰⁷⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

107857 is a deficient number, since it is larger than the sum of its proper divisors (1).

107857 is an equidigital number, since it uses as much as digits as its factorization.

107857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 107857 is about 328.4158948650. The cubic root of 107857 is about 47.6010039098.

The spelling of 107857 in words is "one hundred seven thousand, eight hundred fifty-seven".