57606381778 has 16 divisors (see below), whose sum is σ = 94338851904. Its totient is φ = 26164201360.

The previous prime is 57606381773. The next prime is 57606381793. The reversal of 57606381778 is 87718360675.

57606381778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57606381773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997150 + ... + 1053337.

It is an arithmetic number, because the mean of its divisors is an integer number (5896178244).

Almost surely, 2^57606381778 is an apocalyptic number.

57606381778 is a deficient number, since it is larger than the sum of its proper divisors (36732470126).

57606381778 is a wasteful number, since it uses less digits than its factorization.

57606381778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051777.

The product of its (nonzero) digits is 11854080, while the sum is 58.

The spelling of 57606381778 in words is "fifty-seven billion, six hundred six million, three hundred eighty-one thousand, seven hundred seventy-eight".