57843750889 has 2 divisors, whose sum is σ = 57843750890. Its totient is φ = 57843750888.

The previous prime is 57843750869. The next prime is 57843750961. The reversal of 57843750889 is 98805734875.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56993445289 + 850305600 = 238733^2 + 29160^2 .

It is a cyclic number.

It is not a de Polignac number, because 57843750889 - 2⁷ = 57843750761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57843750889.

It is not a weakly prime, because it can be changed into another prime (57843750869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28921875444 + 28921875445.

It is an arithmetic number, because the mean of its divisors is an integer number (28921875445).

Almost surely, 2^57843750889 is an apocalyptic number.

It is an amenable number.

57843750889 is a deficient number, since it is larger than the sum of its proper divisors (1).

57843750889 is an equidigital number, since it uses as much as digits as its factorization.

57843750889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67737600, while the sum is 64.

The spelling of 57843750889 in words is "fifty-seven billion, eight hundred forty-three million, seven hundred fifty thousand, eight hundred eighty-nine".