57065781268 has 24 divisors (see below), whose sum is σ = 105161112000. Its totient is φ = 27020890368.

The previous prime is 57065781197. The next prime is 57065781277. The reversal of 57065781268 is 86218756075.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60633 + ... + 343231.

It is an arithmetic number, because the mean of its divisors is an integer number (4381713000).

Almost surely, 2^57065781268 is an apocalyptic number.

It is an amenable number.

57065781268 is a deficient number, since it is larger than the sum of its proper divisors (48095330732).

57065781268 is a wasteful number, since it uses less digits than its factorization.

57065781268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285279 (or 285277 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 57065781268 in words is "fifty-seven billion, sixty-five million, seven hundred eighty-one thousand, two hundred sixty-eight".