280065116 has 6 divisors (see below), whose sum is σ = 490113960. Its totient is φ = 140032556.

The previous prime is 280065083. The next prime is 280065131. The reversal of 280065116 is 611560082.

It is a happy number.

280065116 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 35008136 + ... + 35008143.

It is an arithmetic number, because the mean of its divisors is an integer number (81685660).

Almost surely, 2^280065116 is an apocalyptic number.

It is an amenable number.

280065116 is a deficient number, since it is larger than the sum of its proper divisors (210048844).

280065116 is a wasteful number, since it uses less digits than its factorization.

280065116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70016283 (or 70016281 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 280065116 is about 16735.1461302255. The cubic root of 280065116 is about 654.2639720959.

The spelling of 280065116 in words is "two hundred eighty million, sixty-five thousand, one hundred sixteen".