57891677 has 2 divisors, whose sum is σ = 57891678. Its totient is φ = 57891676.

The previous prime is 57891671. The next prime is 57891707. The reversal of 57891677 is 77619875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32024281 + 25867396 = 5659^2 + 5086^2 .

It is a cyclic number.

It is not a de Polignac number, because 57891677 - 2¹⁰ = 57890653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57891671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28945838 + 28945839.

It is an arithmetic number, because the mean of its divisors is an integer number (28945839).

Almost surely, 2^57891677 is an apocalyptic number.

It is an amenable number.

57891677 is a deficient number, since it is larger than the sum of its proper divisors (1).

57891677 is an equidigital number, since it uses as much as digits as its factorization.

57891677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 740880, while the sum is 50.

The square root of 57891677 is about 7608.6580288511. The cubic root of 57891677 is about 386.8465340179.

The spelling of 57891677 in words is "fifty-seven million, eight hundred ninety-one thousand, six hundred seventy-seven".