57740297987 has 2 divisors, whose sum is σ = 57740297988. Its totient is φ = 57740297986.

The previous prime is 57740297959. The next prime is 57740297999. The reversal of 57740297987 is 78979204775.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57740297987 - 2¹⁰ = 57740296963 is a prime.

It is not a weakly prime, because it can be changed into another prime (57740290987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28870148993 + 28870148994.

It is an arithmetic number, because the mean of its divisors is an integer number (28870148994).

Almost surely, 2^57740297987 is an apocalyptic number.

57740297987 is a deficient number, since it is larger than the sum of its proper divisors (1).

57740297987 is an equidigital number, since it uses as much as digits as its factorization.

57740297987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62233920, while the sum is 65.

The spelling of 57740297987 in words is "fifty-seven billion, seven hundred forty million, two hundred ninety-seven thousand, nine hundred eighty-seven".