57472727784 has 32 divisors (see below), whose sum is σ = 143717478720. Its totient is φ = 19152821376.

The previous prime is 57472727633. The next prime is 57472727801. The reversal of 57472727784 is 48772727475.

It is a super-2 number, since 2×57472727784² (a number of 22 digits) contains 22 as substring.

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, 197764 + ... + 392499.

It is an arithmetic number, because the mean of its divisors is an integer number (4491171210).

Almost surely, 2^57472727784 is an apocalyptic number.

It is an amenable number.

57472727784 is an abundant number, since it is smaller than the sum of its proper divisors (86244750936).

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

57472727784 is a wasteful number, since it uses less digits than its factorization.

57472727784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594329 (or 594325 counting only the distinct ones).

The product of its digits is 43025920, while the sum is 60.

The spelling of 57472727784 in words is "fifty-seven billion, four hundred seventy-two million, seven hundred twenty-seven thousand, seven hundred eighty-four".