47119861 has 4 divisors (see below), whose sum is σ = 47137900. Its totient is φ = 47101824.

The previous prime is 47119841. The next prime is 47119871. The reversal of 47119861 is 16891174.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25310961 + 21808900 = 5031^2 + 4670^2 .

It is a cyclic number.

It is not a de Polignac number, because 47119861 - 2²¹ = 45022709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47119861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47119811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4266 + ... + 10603.

It is an arithmetic number, because the mean of its divisors is an integer number (11784475).

Almost surely, 2^47119861 is an apocalyptic number.

It is an amenable number.

47119861 is a deficient number, since it is larger than the sum of its proper divisors (18039).

47119861 is a wasteful number, since it uses less digits than its factorization.

47119861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18038.

The product of its digits is 12096, while the sum is 37.

The square root of 47119861 is about 6864.3907959847. The cubic root of 47119861 is about 361.1891259679.

The spelling of 47119861 in words is "forty-seven million, one hundred nineteen thousand, eight hundred sixty-one".