57412243778 has 4 divisors (see below), whose sum is σ = 86118365670. Its totient is φ = 28706121888.

The previous prime is 57412243769. The next prime is 57412243807. The reversal of 57412243778 is 87734221475.

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

It can be written as a sum of positive squares in only one way, i.e., 38638585489 + 18773658289 = 196567^2 + 137017^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14353060943 + ... + 14353060946.

Almost surely, 2^57412243778 is an apocalyptic number.

57412243778 is a deficient number, since it is larger than the sum of its proper divisors (28706121892).

57412243778 is a wasteful number, since it uses less digits than its factorization.

57412243778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28706121891.

The product of its digits is 2634240, while the sum is 50.

The spelling of 57412243778 in words is "fifty-seven billion, four hundred twelve million, two hundred forty-three thousand, seven hundred seventy-eight".