57039206387 has 2 divisors, whose sum is σ = 57039206388. Its totient is φ = 57039206386.

The previous prime is 57039206381. The next prime is 57039206407. The reversal of 57039206387 is 78360293075.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57039206387 - 2²⁰ = 57038157811 is a prime.

It is a super-4 number, since 4×57039206387⁴ (a number of 44 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (57039206381) 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 as a sum of consecutive naturals, namely, 28519603193 + 28519603194.

It is an arithmetic number, because the mean of its divisors is an integer number (28519603194).

Almost surely, 2^57039206387 is an apocalyptic number.

57039206387 is a deficient number, since it is larger than the sum of its proper divisors (1).

57039206387 is an equidigital number, since it uses as much as digits as its factorization.

57039206387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 57039206387 in words is "fifty-seven billion, thirty-nine million, two hundred six thousand, three hundred eighty-seven".