57277377064 has 16 divisors (see below), whose sum is σ = 107601222420. Its totient is φ = 28583717760.

The previous prime is 57277377061. The next prime is 57277377071. The reversal of 57277377064 is 46077377275.

It can be written as a sum of positive squares in 2 ways, for example, as 52972704964 + 4304672100 = 230158^2 + 65610^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57277376996 and 57277377014.

It is not an unprimeable number, because it can be changed into a prime (57277377061) 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, 6866919 + ... + 6875254.

Almost surely, 2^57277377064 is an apocalyptic number.

It is an amenable number.

57277377064 is a deficient number, since it is larger than the sum of its proper divisors (50323845356).

57277377064 is a wasteful number, since it uses less digits than its factorization.

57277377064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13742700 (or 13742696 counting only the distinct ones).

The product of its (nonzero) digits is 12101040, while the sum is 55.

The spelling of 57277377064 in words is "fifty-seven billion, two hundred seventy-seven million, three hundred seventy-seven thousand, sixty-four".