47289785 has 8 divisors (see below), whose sum is σ = 56904576. Its totient is φ = 37727280.

The previous prime is 47289773. The next prime is 47289793. The reversal of 47289785 is 58798274.

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

It is a de Polignac number, because none of the positive numbers 2^k-47289785 is a prime.

It is a Duffinian 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, 11051 + ... + 14720.

It is an arithmetic number, because the mean of its divisors is an integer number (7113072).

Almost surely, 2^47289785 is an apocalyptic number.

It is an amenable number.

47289785 is a deficient number, since it is larger than the sum of its proper divisors (9614791).

47289785 is a wasteful number, since it uses less digits than its factorization.

47289785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26143.

The product of its digits is 1128960, while the sum is 50.

The square root of 47289785 is about 6876.7568664306. The cubic root of 47289785 is about 361.6227794250.

The spelling of 47289785 in words is "forty-seven million, two hundred eighty-nine thousand, seven hundred eighty-five".