47491346858 has 8 divisors (see below), whose sum is σ = 71971422852. Its totient is φ = 23500872576.

The previous prime is 47491346857. The next prime is 47491346869. The reversal of 47491346858 is 85864319474.

47491346858 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 46853632849 + 637714009 = 216457^2 + 25253^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 47491346797 and 47491346806.

It is not an unprimeable number, because it can be changed into a prime (47491346857) 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, 122400185 + ... + 122400572.

Almost surely, 2^47491346858 is an apocalyptic number.

47491346858 is a deficient number, since it is larger than the sum of its proper divisors (24480075994).

47491346858 is a wasteful number, since it uses less digits than its factorization.

47491346858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244800856.

The product of its digits is 23224320, while the sum is 59.

The spelling of 47491346858 in words is "forty-seven billion, four hundred ninety-one million, three hundred forty-six thousand, eight hundred fifty-eight".