47117666465 has 8 divisors (see below), whose sum is σ = 58069340520. Its totient is φ = 36675372672.

The previous prime is 47117666459. The next prime is 47117666489. The reversal of 47117666465 is 56466671174.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27155084944 + 19962581521 = 164788^2 + 141289^2 .

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 47117666465 - 2¹⁴ = 47117650081 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127344860 + ... + 127345229.

It is an arithmetic number, because the mean of its divisors is an integer number (7258667565).

Almost surely, 2^47117666465 is an apocalyptic number.

It is an amenable number.

47117666465 is a deficient number, since it is larger than the sum of its proper divisors (10951674055).

47117666465 is a wasteful number, since it uses less digits than its factorization.

47117666465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254690131.

The product of its digits is 5080320, while the sum is 53.

The spelling of 47117666465 in words is "forty-seven billion, one hundred seventeen million, six hundred sixty-six thousand, four hundred sixty-five".