47236186781608 has 128 divisors (see below), whose sum is σ = 100178106912000. Its totient is φ = 20683596165120.

The previous prime is 47236186781587. The next prime is 47236186781657. The reversal of 47236186781608 is 80618768163274.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2458543810 + ... + 2458563022.

It is an arithmetic number, because the mean of its divisors is an integer number (782641460250).

Almost surely, 2^{47236186781608} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47236186781608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50089053456000).

47236186781608 is an abundant number, since it is smaller than the sum of its proper divisors (52941920130392).

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

47236186781608 is a wasteful number, since it uses less digits than its factorization.

47236186781608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21395 (or 21391 counting only the distinct ones).

The product of its (nonzero) digits is 130056192, while the sum is 67.

The spelling of 47236186781608 in words is "forty-seven trillion, two hundred thirty-six billion, one hundred eighty-six million, seven hundred eighty-one thousand, six hundred eight".