280600086105 has 12 divisors (see below), whose sum is σ = 486373482660. Its totient is φ = 149653379232.

The previous prime is 280600086103. The next prime is 280600086113. The reversal of 280600086105 is 501680006082.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 167120710416 + 113479375689 = 408804^2 + 336867^2 .

It is not a de Polignac number, because 280600086105 - 2¹ = 280600086103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 280600086105.

It is not an unprimeable number, because it can be changed into a prime (280600086103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3117778690 + ... + 3117778779.

It is an arithmetic number, because the mean of its divisors is an integer number (40531123555).

Almost surely, 2^280600086105 is an apocalyptic number.

It is an amenable number.

280600086105 is a deficient number, since it is larger than the sum of its proper divisors (205773396555).

280600086105 is a wasteful number, since it uses less digits than its factorization.

280600086105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6235557480 (or 6235557477 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 280600086105 in words is "two hundred eighty billion, six hundred million, eighty-six thousand, one hundred five".