47847421058 has 4 divisors (see below), whose sum is σ = 71771131590. Its totient is φ = 23923710528.

The previous prime is 47847421057. The next prime is 47847421067. The reversal of 47847421058 is 85012474874.

47847421058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85012474874 = 2 ⋅42506237437.

It can be written as a sum of positive squares in only one way, i.e., 25844742169 + 22002678889 = 160763^2 + 148333^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47847420997 and 47847421015.

It is not an unprimeable number, because it can be changed into a prime (47847421057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11961855263 + ... + 11961855266.

Almost surely, 2^47847421058 is an apocalyptic number.

47847421058 is a deficient number, since it is larger than the sum of its proper divisors (23923710532).

47847421058 is a wasteful number, since it uses less digits than its factorization.

47847421058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23923710531.

The product of its (nonzero) digits is 2007040, while the sum is 50.

The spelling of 47847421058 in words is "forty-seven billion, eight hundred forty-seven million, four hundred twenty-one thousand, fifty-eight".