47738836992 has 768 divisors, whose sum is σ = 172092211200. Its totient is φ = 11395399680.

The previous prime is 47738836979. The next prime is 47738837123. The reversal of 47738836992 is 29963883774.

It is a tau number, because it is divible by the number of its divisors (768).

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 422467528 + ... + 422467640.

It is an arithmetic number, because the mean of its divisors is an integer number (224078400).

Almost surely, 2^47738836992 is an apocalyptic number.

47738836992 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47738836992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86046105600).

47738836992 is an abundant number, since it is smaller than the sum of its proper divisors (124353374208).

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

47738836992 is a wasteful number, since it uses less digits than its factorization.

47738836992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 202 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 66.

The spelling of 47738836992 in words is "forty-seven billion, seven hundred thirty-eight million, eight hundred thirty-six thousand, nine hundred ninety-two".