57145726287 has 64 divisors (see below), whose sum is σ = 97231680000. Its totient is φ = 32859385344.

The previous prime is 57145726279. The next prime is 57145726291. The reversal of 57145726287 is 78262754175.

57145726287 is a `hidden beast` number, since 5 + 7 + 1 + 4 + 5 + 7 + 2 + 628 + 7 = 666.

It is not a de Polignac number, because 57145726287 - 2³ = 57145726279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57145726247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 794964 + ... + 863862.

It is an arithmetic number, because the mean of its divisors is an integer number (1519245000).

Almost surely, 2^57145726287 is an apocalyptic number.

57145726287 is a deficient number, since it is larger than the sum of its proper divisors (40085953713).

57145726287 is a wasteful number, since it uses less digits than its factorization.

57145726287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69077 (or 69071 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 54.

The spelling of 57145726287 in words is "fifty-seven billion, one hundred forty-five million, seven hundred twenty-six thousand, two hundred eighty-seven".