47831187456 has 216 divisors, whose sum is σ = 148855281120. Its totient is φ = 14712569856.

The previous prime is 47831187449. The next prime is 47831187463. The reversal of 47831187456 is 65478113874.

47831187456 is a `hidden beast` number, since 4 + 7 + 8 + 3 + 1 + 187 + 456 = 666.

It is an interprime number because it is at equal distance from previous prime (47831187449) and next prime (47831187463).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15333865 + ... + 15336983.

It is an arithmetic number, because the mean of its divisors is an integer number (689144820).

Almost surely, 2^47831187456 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 47831187456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74427640560).

47831187456 is an abundant number, since it is smaller than the sum of its proper divisors (101024093664).

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

47831187456 is an equidigital number, since it uses as much as digits as its factorization.

47831187456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172 (or 3137 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The spelling of 47831187456 in words is "forty-seven billion, eight hundred thirty-one million, one hundred eighty-seven thousand, four hundred fifty-six".