57784027374247 has 2 divisors, whose sum is σ = 57784027374248. Its totient is φ = 57784027374246.

The previous prime is 57784027374191. The next prime is 57784027374287. The reversal of 57784027374247 is 74247372048775.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57784027374247 - 2⁴³ = 48987934352039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57784027374287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28892013687123 + 28892013687124.

It is an arithmetic number, because the mean of its divisors is an integer number (28892013687124).

Almost surely, 2^{57784027374247} is an apocalyptic number.

57784027374247 is a deficient number, since it is larger than the sum of its proper divisors (1).

57784027374247 is an equidigital number, since it uses as much as digits as its factorization.

57784027374247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516311040, while the sum is 67.

The spelling of 57784027374247 in words is "fifty-seven trillion, seven hundred eighty-four billion, twenty-seven million, three hundred seventy-four thousand, two hundred forty-seven".