47185080 has 32 divisors (see below), whose sum is σ = 141555600. Its totient is φ = 12582656.

The previous prime is 47185067. The next prime is 47185087. The reversal of 47185080 is 8058174.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47185087) 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 7 ways as a sum of consecutive naturals, for example, 196485 + ... + 196724.

Almost surely, 2^47185080 is an apocalyptic number.

47185080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47185080 is an abundant number, since it is smaller than the sum of its proper divisors (94370520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47185080 is a wasteful number, since it uses less digits than its factorization.

47185080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393223 (or 393219 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 47185080 is about 6869.1396841235. The cubic root of 47185080 is about 361.3556907898.

The spelling of 47185080 in words is "forty-seven million, one hundred eighty-five thousand, eighty".