47781058452 has 48 divisors (see below), whose sum is σ = 116540616192. Its totient is φ = 15207809760.

The previous prime is 47781058433. The next prime is 47781058459. The reversal of 47781058452 is 25485018774.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47781058395 and 47781058404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47781058459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6003 + ... + 309189.

It is an arithmetic number, because the mean of its divisors is an integer number (2427929504).

Almost surely, 2^47781058452 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 47781058452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58270308096).

47781058452 is an abundant number, since it is smaller than the sum of its proper divisors (68759557740).

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

47781058452 is a wasteful number, since it uses less digits than its factorization.

47781058452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303788 (or 303786 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 51.

The spelling of 47781058452 in words is "forty-seven billion, seven hundred eighty-one million, fifty-eight thousand, four hundred fifty-two".