84741947 has 2 divisors, whose sum is σ = 84741948. Its totient is φ = 84741946.

The previous prime is 84741901. The next prime is 84741989. The reversal of 84741947 is 74914748.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84741947 - 2¹⁰ = 84740923 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 84741898 and 84741907.

It is not a weakly prime, because it can be changed into another prime (84743947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42370973 + 42370974.

It is an arithmetic number, because the mean of its divisors is an integer number (42370974).

Almost surely, 2^84741947 is an apocalyptic number.

84741947 is a deficient number, since it is larger than the sum of its proper divisors (1).

84741947 is an equidigital number, since it uses as much as digits as its factorization.

84741947 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 84741947 is about 9205.5389304483. The cubic root of 84741947 is about 439.2375690875.

The spelling of 84741947 in words is "eighty-four million, seven hundred forty-one thousand, nine hundred forty-seven".