47565476661 has 8 divisors (see below), whose sum is σ = 64313884224. Its totient is φ = 31263693440.

The previous prime is 47565476659. The next prime is 47565476719. The reversal of 47565476661 is 16667456574.

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 47565476661 - 2¹ = 47565476659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47565476611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111655836 + ... + 111656261.

It is an arithmetic number, because the mean of its divisors is an integer number (8039235528).

Almost surely, 2^47565476661 is an apocalyptic number.

It is an amenable number.

47565476661 is a deficient number, since it is larger than the sum of its proper divisors (16748407563).

47565476661 is a wasteful number, since it uses less digits than its factorization.

47565476661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223312171.

The product of its digits is 25401600, while the sum is 57.

The spelling of 47565476661 in words is "forty-seven billion, five hundred sixty-five million, four hundred seventy-six thousand, six hundred sixty-one".