57168687387 has 16 divisors (see below), whose sum is σ = 88757856000. Its totient is φ = 32051446752.

The previous prime is 57168687353. The next prime is 57168687403. The reversal of 57168687387 is 78378686175.

It is a happy number.

It is not a de Polignac number, because 57168687387 - 2¹⁸ = 57168425243 is a prime.

It is a super-3 number, since 3×57168687387³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (57168687487) 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 15 ways as a sum of consecutive naturals, for example, 25681137 + ... + 25683362.

It is an arithmetic number, because the mean of its divisors is an integer number (5547366000).

Almost surely, 2^57168687387 is an apocalyptic number.

57168687387 is a deficient number, since it is larger than the sum of its proper divisors (31589168613).

57168687387 is a wasteful number, since it uses less digits than its factorization.

57168687387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51364562.

The product of its digits is 94832640, while the sum is 66.

The spelling of 57168687387 in words is "fifty-seven billion, one hundred sixty-eight million, six hundred eighty-seven thousand, three hundred eighty-seven".