47807285 has 8 divisors (see below), whose sum is σ = 57735096. Its totient is φ = 38001600.

The previous prime is 47807273. The next prime is 47807297. The reversal of 47807285 is 58270874.

It is an interprime number because it is at equal distance from previous prime (47807273) and next prime (47807297).

It can be written as a sum of positive squares in 4 ways, for example, as 1444804 + 46362481 = 1202^2 + 6809^2 .

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

It is not a de Polignac number, because 47807285 - 2¹⁴ = 47790901 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 7 ways as a sum of consecutive naturals, for example, 29666 + ... + 31235.

It is an arithmetic number, because the mean of its divisors is an integer number (7216887).

Almost surely, 2^47807285 is an apocalyptic number.

It is an amenable number.

47807285 is a deficient number, since it is larger than the sum of its proper divisors (9927811).

47807285 is a wasteful number, since it uses less digits than its factorization.

47807285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61063.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 47807285 is about 6914.2812352406. The cubic root of 47807285 is about 362.9370962093.

The spelling of 47807285 in words is "forty-seven million, eight hundred seven thousand, two hundred eighty-five".