47889763561 has 8 divisors (see below), whose sum is σ = 48415023360. Its totient is φ = 47366065872.

The previous prime is 47889763543. The next prime is 47889763567. The reversal of 47889763561 is 16536798874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47889763561 - 2⁵ = 47889763529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47889763493 and 47889763502.

It is not an unprimeable number, because it can be changed into a prime (47889763567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328825 + ... + 451558.

It is an arithmetic number, because the mean of its divisors is an integer number (6051877920).

Almost surely, 2^47889763561 is an apocalyptic number.

It is an amenable number.

47889763561 is a deficient number, since it is larger than the sum of its proper divisors (525259799).

47889763561 is a wasteful number, since it uses less digits than its factorization.

47889763561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781055.

The product of its digits is 60963840, while the sum is 64.

The spelling of 47889763561 in words is "forty-seven billion, eight hundred eighty-nine million, seven hundred sixty-three thousand, five hundred sixty-one".