280084099 has 2 divisors, whose sum is σ = 280084100. Its totient is φ = 280084098.

The previous prime is 280084097. The next prime is 280084121. The reversal of 280084099 is 990480082.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 280084099 - 2¹ = 280084097 is a prime.

Together with 280084097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (280084093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140042049 + 140042050.

It is an arithmetic number, because the mean of its divisors is an integer number (140042050).

Almost surely, 2^280084099 is an apocalyptic number.

280084099 is a deficient number, since it is larger than the sum of its proper divisors (1).

280084099 is an equidigital number, since it uses as much as digits as its factorization.

280084099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 280084099 is about 16735.7132802878. The cubic root of 280084099 is about 654.2787539112.

The spelling of 280084099 in words is "two hundred eighty million, eighty-four thousand, ninety-nine".