47711784825 has 18 divisors (see below), whose sum is σ = 85457108334. Its totient is φ = 25446285120.

The previous prime is 47711784787. The next prime is 47711784871. The reversal of 47711784825 is 52848711774.

It is a happy number.

47711784825 is a `hidden beast` number, since 47 + 7 + 117 + 8 + 482 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 421193529 + 47290591296 = 20523^2 + 217464^2 .

It is not a de Polignac number, because 47711784825 - 2⁹ = 47711784313 is a prime.

It is a super-2 number, since 2×47711784825² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 106025964 + ... + 106026413.

Almost surely, 2^47711784825 is an apocalyptic number.

47711784825 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47711784825 is a deficient number, since it is larger than the sum of its proper divisors (37745323509).

47711784825 is a wasteful number, since it uses less digits than its factorization.

47711784825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212052393 (or 212052385 counting only the distinct ones).

The product of its digits is 3512320, while the sum is 54.

The spelling of 47711784825 in words is "forty-seven billion, seven hundred eleven million, seven hundred eighty-four thousand, eight hundred twenty-five".