47880165 has 16 divisors (see below), whose sum is σ = 76709376. Its totient is φ = 25502400.

The previous prime is 47880163. The next prime is 47880179. The reversal of 47880165 is 56108874.

It is not a de Polignac number, because 47880165 - 2¹ = 47880163 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47880163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13255 + ... + 16475.

It is an arithmetic number, because the mean of its divisors is an integer number (4794336).

Almost surely, 2^47880165 is an apocalyptic number.

It is an amenable number.

47880165 is a deficient number, since it is larger than the sum of its proper divisors (28829211).

47880165 is a wasteful number, since it uses less digits than its factorization.

47880165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 47880165 is about 6919.5494795543. The cubic root of 47880165 is about 363.1214295238.

The spelling of 47880165 in words is "forty-seven million, eight hundred eighty thousand, one hundred sixty-five".