280080760 has 16 divisors (see below), whose sum is σ = 630181800. Its totient is φ = 112032288.

The previous prime is 280080737. The next prime is 280080769. The reversal of 280080760 is 67080082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280080769) 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 in 3 ways as a sum of consecutive naturals, for example, 3500970 + ... + 3501049.

Almost surely, 2^280080760 is an apocalyptic number.

280080760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

280080760 is an abundant number, since it is smaller than the sum of its proper divisors (350101040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

280080760 is a wasteful number, since it uses less digits than its factorization.

280080760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7002030 (or 7002026 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 280080760 is about 16735.6135232623. The cubic root of 280080760 is about 654.2761539237.

The spelling of 280080760 in words is "two hundred eighty million, eighty thousand, seven hundred sixty".