57840134827 has 4 divisors (see below), whose sum is σ = 58048944256. Its totient is φ = 57631325400.

The previous prime is 57840134797. The next prime is 57840134843. The reversal of 57840134827 is 72843104875.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57840134827 - 2¹⁹ = 57839610539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57840134867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104404299 + ... + 104404852.

It is an arithmetic number, because the mean of its divisors is an integer number (14512236064).

Almost surely, 2^57840134827 is an apocalyptic number.

57840134827 is a deficient number, since it is larger than the sum of its proper divisors (208809429).

57840134827 is a wasteful number, since it uses less digits than its factorization.

57840134827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208809428.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 57840134827 in words is "fifty-seven billion, eight hundred forty million, one hundred thirty-four thousand, eight hundred twenty-seven".