57474246847 has 2 divisors, whose sum is σ = 57474246848. Its totient is φ = 57474246846.

The previous prime is 57474246779. The next prime is 57474246857. The reversal of 57474246847 is 74864247475.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57474246847 - 2²³ = 57465858239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57474246791 and 57474246800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57474246857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28737123423 + 28737123424.

It is an arithmetic number, because the mean of its divisors is an integer number (28737123424).

Almost surely, 2^57474246847 is an apocalyptic number.

57474246847 is a deficient number, since it is larger than the sum of its proper divisors (1).

57474246847 is an equidigital number, since it uses as much as digits as its factorization.

57474246847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42147840, while the sum is 58.

The spelling of 57474246847 in words is "fifty-seven billion, four hundred seventy-four million, two hundred forty-six thousand, eight hundred forty-seven".