280027963 has 2 divisors, whose sum is σ = 280027964. Its totient is φ = 280027962.

The previous prime is 280027933. The next prime is 280027981. The reversal of 280027963 is 369720082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280027963 - 2⁵ = 280027931 is a prime.

It is not a weakly prime, because it can be changed into another prime (280027933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140013981 + 140013982.

It is an arithmetic number, because the mean of its divisors is an integer number (140013982).

Almost surely, 2^280027963 is an apocalyptic number.

280027963 is a deficient number, since it is larger than the sum of its proper divisors (1).

280027963 is an equidigital number, since it uses as much as digits as its factorization.

280027963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 280027963 is about 16734.0360642614. The cubic root of 280027963 is about 654.2350396050.

The spelling of 280027963 in words is "two hundred eighty million, twenty-seven thousand, nine hundred sixty-three".