57447481967 has 2 divisors, whose sum is σ = 57447481968. Its totient is φ = 57447481966.

The previous prime is 57447481963. The next prime is 57447482003. The reversal of 57447481967 is 76918474475.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57447481967 - 2² = 57447481963 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57447481963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28723740983 + 28723740984.

It is an arithmetic number, because the mean of its divisors is an integer number (28723740984).

Almost surely, 2^57447481967 is an apocalyptic number.

57447481967 is a deficient number, since it is larger than the sum of its proper divisors (1).

57447481967 is an equidigital number, since it uses as much as digits as its factorization.

57447481967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47416320, while the sum is 62.

The spelling of 57447481967 in words is "fifty-seven billion, four hundred forty-seven million, four hundred eighty-one thousand, nine hundred sixty-seven".