280066958747 has 2 divisors, whose sum is σ = 280066958748. Its totient is φ = 280066958746.

The previous prime is 280066958669. The next prime is 280066958777. The reversal of 280066958747 is 747859660082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280066958747 - 2⁸ = 280066958491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 280066958747.

It is not a weakly prime, because it can be changed into another prime (280066958777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140033479373 + 140033479374.

It is an arithmetic number, because the mean of its divisors is an integer number (140033479374).

Almost surely, 2^280066958747 is an apocalyptic number.

280066958747 is a deficient number, since it is larger than the sum of its proper divisors (1).

280066958747 is an equidigital number, since it uses as much as digits as its factorization.

280066958747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 280066958747 in words is "two hundred eighty billion, sixty-six million, nine hundred fifty-eight thousand, seven hundred forty-seven".