47240402227777 has 6 divisors (see below), whose sum is σ = 51925400795954. Its totient is φ = 42945820206960.

The previous prime is 47240402227747. The next prime is 47240402227801. The reversal of 47240402227777 is 77772220404274.

It can be written as a sum of positive squares in only one way, i.e., 31246769594161 + 15993632633616 = 5589881^2 + 3999204^2 .

It is not a de Polignac number, because 47240402227777 - 2²⁷ = 47240268010049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47240402227747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195208273548 + ... + 195208273789.

Almost surely, 2^{47240402227777} is an apocalyptic number.

It is an amenable number.

47240402227777 is a deficient number, since it is larger than the sum of its proper divisors (4684998568177).

47240402227777 is a wasteful number, since it uses less digits than its factorization.

47240402227777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390416547359 (or 390416547348 counting only the distinct ones).

The product of its (nonzero) digits is 17210368, while the sum is 55.

The spelling of 47240402227777 in words is "forty-seven trillion, two hundred forty billion, four hundred two million, two hundred twenty-seven thousand, seven hundred seventy-seven".