47171891027 has 8 divisors (see below), whose sum is σ = 47233368000. Its totient is φ = 47110449640.

The previous prime is 47171891017. The next prime is 47171891047. The reversal of 47171891027 is 72019817174.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47171891027 is a prime.

It is a super-2 number, since 2×47171891027² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47171891017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3487724 + ... + 3501222.

It is an arithmetic number, because the mean of its divisors is an integer number (5904171000).

Almost surely, 2^47171891027 is an apocalyptic number.

47171891027 is a deficient number, since it is larger than the sum of its proper divisors (61476973).

47171891027 is a wasteful number, since it uses less digits than its factorization.

47171891027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17793.

The product of its (nonzero) digits is 197568, while the sum is 47.

The spelling of 47171891027 in words is "forty-seven billion, one hundred seventy-one million, eight hundred ninety-one thousand, twenty-seven".