57227677695217 has 4 divisors (see below), whose sum is σ = 57870685309860. Its totient is φ = 56584670080576.

The previous prime is 57227677695143. The next prime is 57227677695233. The reversal of 57227677695217 is 71259677672275.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29673251603856 + 27554426091361 = 5447316^2 + 5249231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57227677695217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57227677695217.

It is not an unprimeable number, because it can be changed into a prime (57227677693217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321503807188 + ... + 321503807365.

It is an arithmetic number, because the mean of its divisors is an integer number (14467671327465).

Almost surely, 2^{57227677695217} is an apocalyptic number.

It is an amenable number.

57227677695217 is a deficient number, since it is larger than the sum of its proper divisors (643007614643).

57227677695217 is an equidigital number, since it uses as much as digits as its factorization.

57227677695217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643007614642.

The product of its digits is 1089093600, while the sum is 73.

The spelling of 57227677695217 in words is "fifty-seven trillion, two hundred twenty-seven billion, six hundred seventy-seven million, six hundred ninety-five thousand, two hundred seventeen".