47800215 has 24 divisors (see below), whose sum is σ = 83030688. Its totient is φ = 25439040.

The previous prime is 47800213. The next prime is 47800229. The reversal of 47800215 is 51200874.

It is not a de Polignac number, because 47800215 - 2¹ = 47800213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47800213) 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 23 ways as a sum of consecutive naturals, for example, 28942 + ... + 30548.

It is an arithmetic number, because the mean of its divisors is an integer number (3459612).

Almost surely, 2^47800215 is an apocalyptic number.

47800215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

47800215 is a deficient number, since it is larger than the sum of its proper divisors (35230473).

47800215 is a wasteful number, since it uses less digits than its factorization.

47800215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279 (or 2276 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 47800215 is about 6913.7699556754. The cubic root of 47800215 is about 362.9192042934.

The spelling of 47800215 in words is "forty-seven million, eight hundred thousand, two hundred fifteen".