11678857 has 2 divisors, whose sum is σ = 11678858. Its totient is φ = 11678856.

The previous prime is 11678833. The next prime is 11678867. The reversal of 11678857 is 75887611.

11678857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11669056 + 9801 = 3416^2 + 99^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11678857 is a prime.

It is a nialpdrome in base 8.

It is not a weakly prime, because it can be changed into another prime (11678827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5839428 + 5839429.

It is an arithmetic number, because the mean of its divisors is an integer number (5839429).

Almost surely, 2^11678857 is an apocalyptic number.

It is an amenable number.

11678857 is a deficient number, since it is larger than the sum of its proper divisors (1).

11678857 is an equidigital number, since it uses as much as digits as its factorization.

11678857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 43.

The square root of 11678857 is about 3417.4342714967. The cubic root of 11678857 is about 226.8820374638.

The spelling of 11678857 in words is "eleven million, six hundred seventy-eight thousand, eight hundred fifty-seven".