57663331794 has 12 divisors (see below), whose sum is σ = 124937218926. Its totient is φ = 19221110592.

The previous prime is 57663331793. The next prime is 57663331879. The reversal of 57663331794 is 49713336675.

It is a happy number.

57663331794 is a `hidden beast` number, since 576 + 6 + 33 + 31 + 7 + 9 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 47026091025 + 10637240769 = 216855^2 + 103137^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57663331794.

It is not an unprimeable number, because it can be changed into a prime (57663331793) 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 5 ways as a sum of consecutive naturals, for example, 1601759199 + ... + 1601759234.

Almost surely, 2^57663331794 is an apocalyptic number.

57663331794 is an abundant number, since it is smaller than the sum of its proper divisors (67273887132).

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

57663331794 is a wasteful number, since it uses less digits than its factorization.

57663331794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203518441 (or 3203518438 counting only the distinct ones).

The product of its digits is 8573040, while the sum is 54.

The spelling of 57663331794 in words is "fifty-seven billion, six hundred sixty-three million, three hundred thirty-one thousand, seven hundred ninety-four".