84084151 has 2 divisors, whose sum is σ = 84084152. Its totient is φ = 84084150.

The previous prime is 84084149. The next prime is 84084167. The reversal of 84084151 is 15148048.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84084151 - 2¹ = 84084149 is a prime.

Together with 84084149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84084191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42042075 + 42042076.

It is an arithmetic number, because the mean of its divisors is an integer number (42042076).

Almost surely, 2^84084151 is an apocalyptic number.

84084151 is a deficient number, since it is larger than the sum of its proper divisors (1).

84084151 is an equidigital number, since it uses as much as digits as its factorization.

84084151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 84084151 is about 9169.7410541411. The cubic root of 84084151 is about 438.0981115744.

The spelling of 84084151 in words is "eighty-four million, eighty-four thousand, one hundred fifty-one".