47085331968 has 160 divisors (see below), whose sum is σ = 141663239520. Its totient is φ = 15437537280.

The previous prime is 47085331967. The next prime is 47085331991. The reversal of 47085331968 is 86913358074.

47085331968 is a `hidden beast` number, since 47 + 0 + 8 + 533 + 1 + 9 + 68 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47085331963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815346 + ... + 871182.

It is an arithmetic number, because the mean of its divisors is an integer number (885395247).

Almost surely, 2^47085331968 is an apocalyptic number.

47085331968 is a gapful number since it is divisible by the number (48) 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 47085331968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70831619760).

47085331968 is an abundant number, since it is smaller than the sum of its proper divisors (94577907552).

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

47085331968 is an equidigital number, since it uses as much as digits as its factorization.

47085331968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55925 (or 55903 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 47085331968 in words is "forty-seven billion, eighty-five million, three hundred thirty-one thousand, nine hundred sixty-eight".