47408727318 has 32 divisors (see below), whose sum is σ = 96094252800. Its totient is φ = 15591251616.

The previous prime is 47408727307. The next prime is 47408727319. The reversal of 47408727318 is 81372780474.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47408727319) 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 15 ways as a sum of consecutive naturals, for example, 23653 + ... + 308831.

It is an arithmetic number, because the mean of its divisors is an integer number (3002945400).

Almost surely, 2^47408727318 is an apocalyptic number.

47408727318 is an abundant number, since it is smaller than the sum of its proper divisors (48685525482).

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

47408727318 is a wasteful number, since it uses less digits than its factorization.

47408727318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285556.

The product of its (nonzero) digits is 2107392, while the sum is 51.

The spelling of 47408727318 in words is "forty-seven billion, four hundred eight million, seven hundred twenty-seven thousand, three hundred eighteen".