47900165 has 8 divisors (see below), whose sum is σ = 57753888. Its totient is φ = 38137680.

The previous prime is 47900161. The next prime is 47900183. The reversal of 47900165 is 56100974.

It is a happy number.

47900165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 47900165 - 2² = 47900161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47900161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21647 + ... + 23756.

It is an arithmetic number, because the mean of its divisors is an integer number (7219236).

Almost surely, 2^47900165 is an apocalyptic number.

It is an amenable number.

47900165 is a deficient number, since it is larger than the sum of its proper divisors (9853723).

47900165 is a wasteful number, since it uses less digits than its factorization.

47900165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45619.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 47900165 is about 6920.9945094618. The cubic root of 47900165 is about 363.1719822431.

The spelling of 47900165 in words is "forty-seven million, nine hundred thousand, one hundred sixty-five".