47217142208 has 56 divisors (see below), whose sum is σ = 94852559088. Its totient is φ = 23318736896.

The previous prime is 47217142151. The next prime is 47217142211. The reversal of 47217142208 is 80224171274.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2107835 + ... + 2130117.

It is an arithmetic number, because the mean of its divisors is an integer number (1693795698).

Almost surely, 2^47217142208 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 47217142208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47426279544).

47217142208 is an abundant number, since it is smaller than the sum of its proper divisors (47635416880).

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

47217142208 is a wasteful number, since it uses less digits than its factorization.

47217142208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22701 (or 22691 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The spelling of 47217142208 in words is "forty-seven billion, two hundred seventeen million, one hundred forty-two thousand, two hundred eight".