47862139 has 8 divisors (see below), whose sum is σ = 52743152. Its totient is φ = 43152480.

The previous prime is 47862137. The next prime is 47862173. The reversal of 47862139 is 93126874.

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

It is a cyclic number.

It is not a de Polignac number, because 47862139 - 2¹ = 47862137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47862131) 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, 42252 + ... + 43369.

It is an arithmetic number, because the mean of its divisors is an integer number (6592894).

Almost surely, 2^47862139 is an apocalyptic number.

47862139 is a deficient number, since it is larger than the sum of its proper divisors (4881013).

47862139 is a wasteful number, since it uses less digits than its factorization.

47862139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85677.

The product of its digits is 72576, while the sum is 40.

The square root of 47862139 is about 6918.2468154873. The cubic root of 47862139 is about 363.0758542945.

The spelling of 47862139 in words is "forty-seven million, eight hundred sixty-two thousand, one hundred thirty-nine".