280089080 has 16 divisors (see below), whose sum is σ = 630200520. Its totient is φ = 112035616.

The previous prime is 280089077. The next prime is 280089083. The reversal of 280089080 is 80980082.

It is an interprime number because it is at equal distance from previous prime (280089077) and next prime (280089083).

It is a self number, because there is not a number n which added to its sum of digits gives 280089080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280089083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3501074 + ... + 3501153.

Almost surely, 2^280089080 is an apocalyptic number.

280089080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

280089080 is an abundant number, since it is smaller than the sum of its proper divisors (350111440).

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

280089080 is a wasteful number, since it uses less digits than its factorization.

280089080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7002238 (or 7002234 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 280089080 is about 16735.8620931221. The cubic root of 280089080 is about 654.2826324405.

The spelling of 280089080 in words is "two hundred eighty million, eighty-nine thousand, eighty".