47869851 has 8 divisors (see below), whose sum is σ = 64391760. Its totient is φ = 31630592.

The previous prime is 47869799. The next prime is 47869883. The reversal of 47869851 is 15896874.

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 47869851 - 2¹⁰ = 47868827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47869851.

It is not an unprimeable number, because it can be changed into a prime (47869891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70266 + ... + 70943.

It is an arithmetic number, because the mean of its divisors is an integer number (8048970).

Almost surely, 2^47869851 is an apocalyptic number.

47869851 is a deficient number, since it is larger than the sum of its proper divisors (16521909).

47869851 is a wasteful number, since it uses less digits than its factorization.

47869851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141325.

The product of its digits is 483840, while the sum is 48.

The square root of 47869851 is about 6918.8041596796. The cubic root of 47869851 is about 363.0953539844.

The spelling of 47869851 in words is "forty-seven million, eight hundred sixty-nine thousand, eight hundred fifty-one".