57238389287 has 8 divisors (see below), whose sum is σ = 58057806240. Its totient is φ = 56419340320.

The previous prime is 57238389281. The next prime is 57238389289. The reversal of 57238389287 is 78298383275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57238389287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57238389281) 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 in 7 ways as a sum of consecutive naturals, for example, 229289 + ... + 408717.

It is an arithmetic number, because the mean of its divisors is an integer number (7257225780).

Almost surely, 2^57238389287 is an apocalyptic number.

57238389287 is a deficient number, since it is larger than the sum of its proper divisors (819416953).

57238389287 is a wasteful number, since it uses less digits than its factorization.

57238389287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183993.

The product of its digits is 40642560, while the sum is 62.

The spelling of 57238389287 in words is "fifty-seven billion, two hundred thirty-eight million, three hundred eighty-nine thousand, two hundred eighty-seven".