280464883 has 2 divisors, whose sum is σ = 280464884. Its totient is φ = 280464882.

The previous prime is 280464857. The next prime is 280464901. The reversal of 280464883 is 388464082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280464883 - 2¹³ = 280456691 is a prime.

It is not a weakly prime, because it can be changed into another prime (280464803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140232441 + 140232442.

It is an arithmetic number, because the mean of its divisors is an integer number (140232442).

Almost surely, 2^280464883 is an apocalyptic number.

280464883 is a deficient number, since it is larger than the sum of its proper divisors (1).

280464883 is an equidigital number, since it uses as much as digits as its factorization.

280464883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294912, while the sum is 43.

The square root of 280464883 is about 16747.0858061933. The cubic root of 280464883 is about 654.5751244927.

The spelling of 280464883 in words is "two hundred eighty million, four hundred sixty-four thousand, eight hundred eighty-three".