280068608084 has 12 divisors (see below), whose sum is σ = 490151326644. Its totient is φ = 140025371904.

The previous prime is 280068608063. The next prime is 280068608111. The reversal of 280068608084 is 480806860082.

It can be written as a sum of positive squares in 2 ways, for example, as 154205436100 + 125863171984 = 392690^2 + 354772^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162237 + ... + 2288100.

It is an arithmetic number, because the mean of its divisors is an integer number (40845943887).

Almost surely, 2^280068608084 is an apocalyptic number.

It is an amenable number.

280068608084 is a deficient number, since it is larger than the sum of its proper divisors (210082718560).

280068608084 is a wasteful number, since it uses less digits than its factorization.

280068608084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466074 (or 4466072 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 50.

The spelling of 280068608084 in words is "two hundred eighty billion, sixty-eight million, six hundred eight thousand, eighty-four".