4077947 has 2 divisors, whose sum is σ = 4077948. Its totient is φ = 4077946.

The previous prime is 4077929. The next prime is 4077949. The reversal of 4077947 is 7497704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4077947 - 2⁶ = 4077883 is a prime.

Together with 4077949, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4077947.

It is not a weakly prime, because it can be changed into another prime (4077949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2038973 + 2038974.

It is an arithmetic number, because the mean of its divisors is an integer number (2038974).

Almost surely, 2^4077947 is an apocalyptic number.

4077947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4077947 is an equidigital number, since it uses as much as digits as its factorization.

4077947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 4077947 is about 2019.3927305009. The cubic root of 4077947 is about 159.7645887002.

The spelling of 4077947 in words is "four million, seventy-seven thousand, nine hundred forty-seven".