47828165 has 24 divisors (see below), whose sum is σ = 72837792. Its totient is φ = 29813280.

The previous prime is 47828159. The next prime is 47828171. The reversal of 47828165 is 56182874.

It is an interprime number because it is at equal distance from previous prime (47828159) and next prime (47828171).

It is not a de Polignac number, because 47828165 - 2¹⁶ = 47762629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6179 + ... + 11568.

It is an arithmetic number, because the mean of its divisors is an integer number (3034908).

Almost surely, 2^47828165 is an apocalyptic number.

It is an amenable number.

47828165 is a deficient number, since it is larger than the sum of its proper divisors (25009627).

47828165 is a wasteful number, since it uses less digits than its factorization.

47828165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17777 (or 17770 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 47828165 is about 6915.7909887445. The cubic root of 47828165 is about 362.9899265368.

The spelling of 47828165 in words is "forty-seven million, eight hundred twenty-eight thousand, one hundred sixty-five".