47191089 has 12 divisors (see below), whose sum is σ = 69162128. Its totient is φ = 28600440.

The previous prime is 47191087. The next prime is 47191141. The reversal of 47191089 is 98019174.

It is a happy number.

It is not a de Polignac number, because 47191089 - 2¹ = 47191087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47191087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64639 + ... + 65364.

Almost surely, 2^47191089 is an apocalyptic number.

It is an amenable number.

47191089 is a deficient number, since it is larger than the sum of its proper divisors (21971039).

47191089 is a wasteful number, since it uses less digits than its factorization.

47191089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130028 (or 130017 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 47191089 is about 6869.5770612171. The cubic root of 47191089 is about 361.3710296368.

The spelling of 47191089 in words is "forty-seven million, one hundred ninety-one thousand, eighty-nine".