47847838319 has 4 divisors (see below), whose sum is σ = 48024398880. Its totient is φ = 47671277760.

The previous prime is 47847838307. The next prime is 47847838399. The reversal of 47847838319 is 91383874874.

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 47847838319 - 2⁸ = 47847838063 is a prime.

It is a super-2 number, since 2×47847838319² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47847838399) 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 3 ways as a sum of consecutive naturals, for example, 88279874 + ... + 88280415.

It is an arithmetic number, because the mean of its divisors is an integer number (12006099720).

Almost surely, 2^47847838319 is an apocalyptic number.

47847838319 is a deficient number, since it is larger than the sum of its proper divisors (176560561).

47847838319 is a wasteful number, since it uses less digits than its factorization.

47847838319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176560560.

The product of its digits is 32514048, while the sum is 62.

The spelling of 47847838319 in words is "forty-seven billion, eight hundred forty-seven million, eight hundred thirty-eight thousand, three hundred nineteen".