47669147136 has 640 divisors, whose sum is σ = 159874767360. Its totient is φ = 13926629376.

The previous prime is 47669147129. The next prime is 47669147159. The reversal of 47669147136 is 63174196674.

47669147136 is a `hidden beast` number, since 476 + 69 + 14 + 71 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 445505995 + ... + 445506101.

It is an arithmetic number, because the mean of its divisors is an integer number (249804324).

Almost surely, 2^47669147136 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 47669147136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79937383680).

47669147136 is an abundant number, since it is smaller than the sum of its proper divisors (112205620224).

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

47669147136 is a wasteful number, since it uses less digits than its factorization.

47669147136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 229 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The spelling of 47669147136 in words is "forty-seven billion, six hundred sixty-nine million, one hundred forty-seven thousand, one hundred thirty-six".