47197700856 has 96 divisors (see below), whose sum is σ = 129443184000. Its totient is φ = 15534630720.

The previous prime is 47197700819. The next prime is 47197700867. The reversal of 47197700856 is 65800779174.

47197700856 is a `hidden beast` number, since 471 + 97 + 7 + 0 + 0 + 85 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2386095 + ... + 2405793.

It is an arithmetic number, because the mean of its divisors is an integer number (1348366500).

Almost surely, 2^47197700856 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 47197700856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64721592000).

47197700856 is an abundant number, since it is smaller than the sum of its proper divisors (82245483144).

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

47197700856 is a wasteful number, since it uses less digits than its factorization.

47197700856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20129 (or 20122 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 47197700856 in words is "forty-seven billion, one hundred ninety-seven million, seven hundred thousand, eight hundred fifty-six".