57680537377 has 4 divisors (see below), whose sum is σ = 57693483396. Its totient is φ = 57667591360.

The previous prime is 57680537359. The next prime is 57680537423. The reversal of 57680537377 is 77373508675.

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 31709281041 + 25971256336 = 178071^2 + 161156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57680537377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57680537357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6466324 + ... + 6475237.

It is an arithmetic number, because the mean of its divisors is an integer number (14423370849).

Almost surely, 2^57680537377 is an apocalyptic number.

It is an amenable number.

57680537377 is a deficient number, since it is larger than the sum of its proper divisors (12946019).

57680537377 is a wasteful number, since it uses less digits than its factorization.

57680537377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12946018.

The product of its (nonzero) digits is 25930800, while the sum is 58.

The spelling of 57680537377 in words is "fifty-seven billion, six hundred eighty million, five hundred thirty-seven thousand, three hundred seventy-seven".