47497782842 has 8 divisors (see below), whose sum is σ = 75437655156. Its totient is φ = 22351897792.

The previous prime is 47497782841. The next prime is 47497782863. The reversal of 47497782842 is 24828779474.

47497782842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41886124921 + 5611657921 = 204661^2 + 74911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (47497782841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698496773 + ... + 698496840.

Almost surely, 2^47497782842 is an apocalyptic number.

47497782842 is a deficient number, since it is larger than the sum of its proper divisors (27939872314).

47497782842 is a wasteful number, since it uses less digits than its factorization.

47497782842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396993632.

The product of its digits is 50577408, while the sum is 62.

The spelling of 47497782842 in words is "forty-seven billion, four hundred ninety-seven million, seven hundred eighty-two thousand, eight hundred forty-two".