47805387 has 16 divisors (see below), whose sum is σ = 76680960. Its totient is φ = 25879392.

The previous prime is 47805367. The next prime is 47805403. The reversal of 47805387 is 78350874.

It is not a de Polignac number, because 47805387 - 2⁶ = 47805323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47805347) 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, 59508 + ... + 60305.

It is an arithmetic number, because the mean of its divisors is an integer number (4792560).

Almost surely, 2^47805387 is an apocalyptic number.

47805387 is a deficient number, since it is larger than the sum of its proper divisors (28875573).

47805387 is a wasteful number, since it uses less digits than its factorization.

47805387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119842.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 47805387 is about 6914.1439817233. The cubic root of 47805387 is about 362.9322931496.

The spelling of 47805387 in words is "forty-seven million, eight hundred five thousand, three hundred eighty-seven".