84994451 has 2 divisors, whose sum is σ = 84994452. Its totient is φ = 84994450.

The previous prime is 84994417. The next prime is 84994477. The reversal of 84994451 is 15449948.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84994451 - 2¹⁰ = 84993427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84994051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42497225 + 42497226.

It is an arithmetic number, because the mean of its divisors is an integer number (42497226).

Almost surely, 2^84994451 is an apocalyptic number.

84994451 is a deficient number, since it is larger than the sum of its proper divisors (1).

84994451 is an equidigital number, since it uses as much as digits as its factorization.

84994451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 84994451 is about 9219.2435156037. The cubic root of 84994451 is about 439.6733991614.

The spelling of 84994451 in words is "eighty-four million, nine hundred ninety-four thousand, four hundred fifty-one".