57205781463779 has 16 divisors (see below), whose sum is σ = 62220045177024. Its totient is φ = 52279270992000.

The previous prime is 57205781463749. The next prime is 57205781463797. The reversal of 57205781463779 is 97736418750275.

It is not a de Polignac number, because 57205781463779 - 2³⁶ = 57137061987043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57205781463749) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19969157 + ... + 22653449.

It is an arithmetic number, because the mean of its divisors is an integer number (3888752823564).

It is a 1-persistent number, because it is pandigital, but 2⋅57205781463779 = 114411562927558 is not.

Almost surely, 2^{57205781463779} is an apocalyptic number.

57205781463779 is a deficient number, since it is larger than the sum of its proper divisors (5014263713245).

57205781463779 is a wasteful number, since it uses less digits than its factorization.

57205781463779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700638.

The product of its (nonzero) digits is 622339200, while the sum is 71.

The spelling of 57205781463779 in words is "fifty-seven trillion, two hundred five billion, seven hundred eighty-one million, four hundred sixty-three thousand, seven hundred seventy-nine".