47497782843 has 48 divisors (see below), whose sum is σ = 81870131200. Its totient is φ = 26510316336.

The previous prime is 47497782841. The next prime is 47497782863. The reversal of 47497782843 is 34828779474.

47497782843 is a `hidden beast` number, since 474 + 9 + 7 + 7 + 82 + 84 + 3 = 666.

It is not a de Polignac number, because 47497782843 - 2¹ = 47497782841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47497782841) 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 47 ways as a sum of consecutive naturals, for example, 46171 + ... + 311652.

Almost surely, 2^47497782843 is an apocalyptic number.

47497782843 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

47497782843 is a deficient number, since it is larger than the sum of its proper divisors (34372348357).

47497782843 is a wasteful number, since it uses less digits than its factorization.

47497782843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357893 (or 357876 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 63.

The spelling of 47497782843 in words is "forty-seven billion, four hundred ninety-seven million, seven hundred eighty-two thousand, eight hundred forty-three".