47155781008 has 40 divisors (see below), whose sum is σ = 104449296960. Its totient is φ = 20203248000.

The previous prime is 47155781003. The next prime is 47155781033. The reversal of 47155781008 is 80018755174.

47155781008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (47155781003) 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, 299358 + ... + 428866.

It is an arithmetic number, because the mean of its divisors is an integer number (2611232424).

Almost surely, 2^47155781008 is an apocalyptic number.

It is an amenable number.

47155781008 is an abundant number, since it is smaller than the sum of its proper divisors (57293515952).

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

47155781008 is a wasteful number, since it uses less digits than its factorization.

47155781008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132775 (or 132769 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 46.

The spelling of 47155781008 in words is "forty-seven billion, one hundred fifty-five million, seven hundred eighty-one thousand, eight".