234208471847 has 4 divisors (see below), whose sum is σ = 267666824976. Its totient is φ = 200750118720.

The previous prime is 234208471801. The next prime is 234208471853. The reversal of 234208471847 is 748174802432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234208471847 - 2²⁰ = 234207423271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234208471795 and 234208471804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234208471747) 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, 16729176554 + ... + 16729176567.

It is an arithmetic number, because the mean of its divisors is an integer number (66916706244).

Almost surely, 2^234208471847 is an apocalyptic number.

234208471847 is a deficient number, since it is larger than the sum of its proper divisors (33458353129).

234208471847 is an equidigital number, since it uses as much as digits as its factorization.

234208471847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33458353128.

The product of its (nonzero) digits is 2408448, while the sum is 50.

The spelling of 234208471847 in words is "two hundred thirty-four billion, two hundred eight million, four hundred seventy-one thousand, eight hundred forty-seven".