57654374857 has 2 divisors, whose sum is σ = 57654374858. Its totient is φ = 57654374856.

The previous prime is 57654374849. The next prime is 57654374917. The reversal of 57654374857 is 75847345675.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48099507856 + 9554867001 = 219316^2 + 97749^2 .

It is a cyclic number.

It is not a de Polignac number, because 57654374857 - 2³ = 57654374849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57654374795 and 57654374804.

It is not a weakly prime, because it can be changed into another prime (57654374357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28827187428 + 28827187429.

It is an arithmetic number, because the mean of its divisors is an integer number (28827187429).

Almost surely, 2^57654374857 is an apocalyptic number.

It is an amenable number.

57654374857 is a deficient number, since it is larger than the sum of its proper divisors (1).

57654374857 is an equidigital number, since it uses as much as digits as its factorization.

57654374857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784000, while the sum is 61.

The spelling of 57654374857 in words is "fifty-seven billion, six hundred fifty-four million, three hundred seventy-four thousand, eight hundred fifty-seven".