47285966891 has 8 divisors (see below), whose sum is σ = 47658625680. Its totient is φ = 46913707008.

The previous prime is 47285966887. The next prime is 47285966909. The reversal of 47285966891 is 19866958274.

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 47285966891 - 2² = 47285966887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47285936891) 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, 140555 + ... + 338123.

It is an arithmetic number, because the mean of its divisors is an integer number (5957328210).

Almost surely, 2^47285966891 is an apocalyptic number.

47285966891 is a deficient number, since it is larger than the sum of its proper divisors (372658789).

47285966891 is a wasteful number, since it uses less digits than its factorization.

47285966891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199453.

The product of its digits is 52254720, while the sum is 65.

The spelling of 47285966891 in words is "forty-seven billion, two hundred eighty-five million, nine hundred sixty-six thousand, eight hundred ninety-one".