84549071 has 2 divisors, whose sum is σ = 84549072. Its totient is φ = 84549070.

The previous prime is 84548957. The next prime is 84549083. The reversal of 84549071 is 17094548.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84549071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84549271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42274535 + 42274536.

It is an arithmetic number, because the mean of its divisors is an integer number (42274536).

Almost surely, 2^84549071 is an apocalyptic number.

84549071 is a deficient number, since it is larger than the sum of its proper divisors (1).

84549071 is an equidigital number, since it uses as much as digits as its factorization.

84549071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 84549071 is about 9195.0568785625. The cubic root of 84549071 is about 438.9040752910.

The spelling of 84549071 in words is "eighty-four million, five hundred forty-nine thousand, seventy-one".