57718721316 has 24 divisors (see below), whose sum is σ = 139021437184. Its totient is φ = 18618942240.

The previous prime is 57718721311. The next prime is 57718721369. The reversal of 57718721316 is 61312781775.

It is not an unprimeable number, because it can be changed into a prime (57718721311) 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 7 ways as a sum of consecutive naturals, for example, 77578555 + ... + 77579298.

Almost surely, 2^57718721316 is an apocalyptic number.

It is an amenable number.

57718721316 is an abundant number, since it is smaller than the sum of its proper divisors (81302715868).

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

57718721316 is a wasteful number, since it uses less digits than its factorization.

57718721316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155157891 (or 155157889 counting only the distinct ones).

The product of its digits is 493920, while the sum is 48.

The spelling of 57718721316 in words is "fifty-seven billion, seven hundred eighteen million, seven hundred twenty-one thousand, three hundred sixteen".