57143612427 has 32 divisors (see below), whose sum is σ = 84959898624. Its totient is φ = 33866304000.

The previous prime is 57143612423. The next prime is 57143612467. The reversal of 57143612427 is 72421634175.

It is not a de Polignac number, because 57143612427 - 2² = 57143612423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57143612423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1847413 + ... + 1878089.

It is an arithmetic number, because the mean of its divisors is an integer number (2654996832).

Almost surely, 2^57143612427 is an apocalyptic number.

57143612427 is a deficient number, since it is larger than the sum of its proper divisors (27816286197).

57143612427 is a wasteful number, since it uses less digits than its factorization.

57143612427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31939.

The product of its digits is 282240, while the sum is 42.

The spelling of 57143612427 in words is "fifty-seven billion, one hundred forty-three million, six hundred twelve thousand, four hundred twenty-seven".