280873007 has 2 divisors, whose sum is σ = 280873008. Its totient is φ = 280873006.

The previous prime is 280873003. The next prime is 280873037. The reversal of 280873007 is 700378082.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 280873007 - 2² = 280873003 is a prime.

It is a super-2 number, since 2×280873007² = 157779292122444098, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (280873003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140436503 + 140436504.

It is an arithmetic number, because the mean of its divisors is an integer number (140436504).

Almost surely, 2^280873007 is an apocalyptic number.

280873007 is a deficient number, since it is larger than the sum of its proper divisors (1).

280873007 is an equidigital number, since it uses as much as digits as its factorization.

280873007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 280873007 is about 16759.2663025563. The cubic root of 280873007 is about 654.8924765715.

The spelling of 280873007 in words is "two hundred eighty million, eight hundred seventy-three thousand, seven".