57884689 has 2 divisors, whose sum is σ = 57884690. Its totient is φ = 57884688.

The previous prime is 57884647. The next prime is 57884713. The reversal of 57884689 is 98648875.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57881664 + 3025 = 7608^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 57884689 - 2¹¹ = 57882641 is a prime.

It is not a weakly prime, because it can be changed into another prime (57884389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28942344 + 28942345.

It is an arithmetic number, because the mean of its divisors is an integer number (28942345).

Almost surely, 2^57884689 is an apocalyptic number.

It is an amenable number.

57884689 is a deficient number, since it is larger than the sum of its proper divisors (1).

57884689 is an equidigital number, since it uses as much as digits as its factorization.

57884689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3870720, while the sum is 55.

The square root of 57884689 is about 7608.1988012932. The cubic root of 57884689 is about 386.8309682089.

The spelling of 57884689 in words is "fifty-seven million, eight hundred eighty-four thousand, six hundred eighty-nine".