57777420241 has 4 divisors (see below), whose sum is σ = 57778659252. Its totient is φ = 57776181232.

The previous prime is 57777420223. The next prime is 57777420257. The reversal of 57777420241 is 14202477775.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 55797526225 + 1979894016 = 236215^2 + 44496^2 .

It is a cyclic number.

It is not a de Polignac number, because 57777420241 - 2⁹ = 57777419729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57777420191 and 57777420200.

It is not an unprimeable number, because it can be changed into a prime (57777420541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546706 + ... + 643771.

It is an arithmetic number, because the mean of its divisors is an integer number (14444664813).

Almost surely, 2^57777420241 is an apocalyptic number.

It is an amenable number.

57777420241 is a deficient number, since it is larger than the sum of its proper divisors (1239011).

57777420241 is a wasteful number, since it uses less digits than its factorization.

57777420241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239010.

The product of its (nonzero) digits is 768320, while the sum is 46.

The spelling of 57777420241 in words is "fifty-seven billion, seven hundred seventy-seven million, four hundred twenty thousand, two hundred forty-one".