57765705072 has 40 divisors (see below), whose sum is σ = 149650857744. Its totient is φ = 19200681984.

The previous prime is 57765705043. The next prime is 57765705077. The reversal of 57765705072 is 27050756775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57765705077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1687663 + ... + 1721550.

Almost surely, 2^57765705072 is an apocalyptic number.

It is an amenable number.

57765705072 is an abundant number, since it is smaller than the sum of its proper divisors (91885152672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57765705072 is a wasteful number, since it uses less digits than its factorization.

57765705072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409577 (or 3409571 counting only the distinct ones).

The product of its (nonzero) digits is 3601500, while the sum is 51.

The spelling of 57765705072 in words is "fifty-seven billion, seven hundred sixty-five million, seven hundred five thousand, seventy-two".