44871947 has 2 divisors, whose sum is σ = 44871948. Its totient is φ = 44871946.

The previous prime is 44871941. The next prime is 44871949. The reversal of 44871947 is 74917844.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44871947 - 2⁸ = 44871691 is a prime.

Together with 44871949, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 44871898 and 44871907.

It is not a weakly prime, because it can be changed into another prime (44871941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22435973 + 22435974.

It is an arithmetic number, because the mean of its divisors is an integer number (22435974).

Almost surely, 2^44871947 is an apocalyptic number.

44871947 is a deficient number, since it is larger than the sum of its proper divisors (1).

44871947 is an equidigital number, since it uses as much as digits as its factorization.

44871947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 44.

The square root of 44871947 is about 6698.6526257151. The cubic root of 44871947 is about 355.3516240969.

The spelling of 44871947 in words is "forty-four million, eight hundred seventy-one thousand, nine hundred forty-seven".