57278340179 has 4 divisors (see below), whose sum is σ = 57845452560. Its totient is φ = 56711227800.

The previous prime is 57278340173. The next prime is 57278340187. The reversal of 57278340179 is 97104387275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57278340179 is a prime.

It is a super-2 number, since 2×57278340179² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57278340179.

It is not an unprimeable number, because it can be changed into a prime (57278340173) 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 3 ways as a sum of consecutive naturals, for example, 283556039 + ... + 283556240.

It is an arithmetic number, because the mean of its divisors is an integer number (14461363140).

Almost surely, 2^57278340179 is an apocalyptic number.

57278340179 is a deficient number, since it is larger than the sum of its proper divisors (567112381).

57278340179 is a wasteful number, since it uses less digits than its factorization.

57278340179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567112380.

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 57278340179 in words is "fifty-seven billion, two hundred seventy-eight million, three hundred forty thousand, one hundred seventy-nine".