4147879 has 2 divisors, whose sum is σ = 4147880. Its totient is φ = 4147878.

The previous prime is 4147873. The next prime is 4147883. The reversal of 4147879 is 9787414.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4147879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4147873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2073939 + 2073940.

It is an arithmetic number, because the mean of its divisors is an integer number (2073940).

Almost surely, 2^4147879 is an apocalyptic number.

4147879 is a deficient number, since it is larger than the sum of its proper divisors (1).

4147879 is an equidigital number, since it uses as much as digits as its factorization.

4147879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 40.

The square root of 4147879 is about 2036.6342332388. The cubic root of 4147879 is about 160.6726757699.

The spelling of 4147879 in words is "four million, one hundred forty-seven thousand, eight hundred seventy-nine".