47830917793 has 4 divisors (see below), whose sum is σ = 47831591188. Its totient is φ = 47830244400.

The previous prime is 47830917787. The next prime is 47830917809. The reversal of 47830917793 is 39771903874.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23077559569 + 24753358224 = 151913^2 + 157332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47830917793 is a prime.

It is a super-3 number, since 3×47830917793³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47830917703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215646 + ... + 377047.

It is an arithmetic number, because the mean of its divisors is an integer number (11957897797).

Almost surely, 2^47830917793 is an apocalyptic number.

It is an amenable number.

47830917793 is a deficient number, since it is larger than the sum of its proper divisors (673395).

47830917793 is an equidigital number, since it uses as much as digits as its factorization.

47830917793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673394.

The product of its (nonzero) digits is 8001504, while the sum is 58.

The spelling of 47830917793 in words is "forty-seven billion, eight hundred thirty million, nine hundred seventeen thousand, seven hundred ninety-three".