47680652881 has 9 divisors (see below), whose sum is σ = 48515605723. Its totient is φ = 46859841400.

The previous prime is 47680652839. The next prime is 47680652891. The reversal of 47680652881 is 18825608674.

The square root of 47680652881 is 218359.

It is a perfect power (a square), and thus also a powerful number.

47680652881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 19207465281 + 28473187600 = 138591^2 + 168740^2 .

It is not a de Polignac number, because 47680652881 - 2⁷ = 47680652753 is a prime.

It is a super-2 number, since 2×47680652881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47680652891) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12881331 + ... + 12885031.

Almost surely, 2^47680652881 is an apocalyptic number.

47680652881 is the 218359-th square number.

47680652881 is the 109180-th centered octagonal number.

It is an amenable number.

47680652881 is a deficient number, since it is larger than the sum of its proper divisors (834952842).

47680652881 is an frugal number, since it uses more digits than its factorization.

47680652881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7520 (or 3760 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 47680652881 in words is "forty-seven billion, six hundred eighty million, six hundred fifty-two thousand, eight hundred eighty-one".