57842761428 has 18 divisors (see below), whose sum is σ = 146213647034. Its totient is φ = 19280920464.

The previous prime is 57842761423. The next prime is 57842761441. The reversal of 57842761428 is 82416724875.

57842761428 is a `hidden beast` number, since 5 + 78 + 427 + 6 + 142 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42568767684 + 15273993744 = 206322^2 + 123588^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57842761423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 803371651 + ... + 803371722.

Almost surely, 2^57842761428 is an apocalyptic number.

It is an amenable number.

57842761428 is an abundant number, since it is smaller than the sum of its proper divisors (88370885606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57842761428 is a wasteful number, since it uses less digits than its factorization.

57842761428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606743383 (or 1606743378 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The spelling of 57842761428 in words is "fifty-seven billion, eight hundred forty-two million, seven hundred sixty-one thousand, four hundred twenty-eight".