57784518712 has 32 divisors (see below), whose sum is σ = 116599925520. Its totient is φ = 26746928640.

The previous prime is 57784518709. The next prime is 57784518749. The reversal of 57784518712 is 21781548775.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3474378 + ... + 3490969.

Almost surely, 2^57784518712 is an apocalyptic number.

It is an amenable number.

57784518712 is an abundant number, since it is smaller than the sum of its proper divisors (58815406808).

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

57784518712 is a wasteful number, since it uses less digits than its factorization.

57784518712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965431 (or 6965427 counting only the distinct ones).

The product of its digits is 4390400, while the sum is 55.

The spelling of 57784518712 in words is "fifty-seven billion, seven hundred eighty-four million, five hundred eighteen thousand, seven hundred twelve".