280070083 has 2 divisors, whose sum is σ = 280070084. Its totient is φ = 280070082.

The previous prime is 280070047. The next prime is 280070107. The reversal of 280070083 is 380070082.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280070083 - 2¹³ = 280061891 is a prime.

It is not a weakly prime, because it can be changed into another prime (280070033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140035041 + 140035042.

It is an arithmetic number, because the mean of its divisors is an integer number (140035042).

Almost surely, 2^280070083 is an apocalyptic number.

280070083 is a deficient number, since it is larger than the sum of its proper divisors (1).

280070083 is an equidigital number, since it uses as much as digits as its factorization.

280070083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 280070083 is about 16735.2945298253. The cubic root of 280070083 is about 654.2678398988.

Subtracting 280070083 from its reverse (380070082), we obtain a palindrome (99999999).

The spelling of 280070083 in words is "two hundred eighty million, seventy thousand, eighty-three".