57247778843 has 2 divisors, whose sum is σ = 57247778844. Its totient is φ = 57247778842.

The previous prime is 57247778827. The next prime is 57247778873. The reversal of 57247778843 is 34887774275.

57247778843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57247778843 - 2⁴ = 57247778827 is a prime.

It is not a weakly prime, because it can be changed into another prime (57247778873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28623889421 + 28623889422.

It is an arithmetic number, because the mean of its divisors is an integer number (28623889422).

Almost surely, 2^57247778843 is an apocalyptic number.

57247778843 is a deficient number, since it is larger than the sum of its proper divisors (1).

57247778843 is an equidigital number, since it uses as much as digits as its factorization.

57247778843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73758720, while the sum is 62.

The spelling of 57247778843 in words is "fifty-seven billion, two hundred forty-seven million, seven hundred seventy-eight thousand, eight hundred forty-three".