47830857 has 8 divisors (see below), whose sum is σ = 64977984. Its totient is φ = 31285488.

The previous prime is 47830829. The next prime is 47830859. The reversal of 47830857 is 75803874.

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

It is not a de Polignac number, because 47830857 - 2⁷ = 47830729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47830859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150253 + ... + 150570.

It is an arithmetic number, because the mean of its divisors is an integer number (8122248).

Almost surely, 2^47830857 is an apocalyptic number.

It is an amenable number.

47830857 is a deficient number, since it is larger than the sum of its proper divisors (17147127).

47830857 is a wasteful number, since it uses less digits than its factorization.

47830857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300879.

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

The square root of 47830857 is about 6915.9856130562. The cubic root of 47830857 is about 362.9967366842.

The spelling of 47830857 in words is "forty-seven million, eight hundred thirty thousand, eight hundred fifty-seven".