280085295379 has 2 divisors, whose sum is σ = 280085295380. Its totient is φ = 280085295378.

The previous prime is 280085295349. The next prime is 280085295389. The reversal of 280085295379 is 973592580082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 280085295379 - 2¹¹ = 280085293331 is a prime.

It is not a weakly prime, because it can be changed into another prime (280085295349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140042647689 + 140042647690.

It is an arithmetic number, because the mean of its divisors is an integer number (140042647690).

Almost surely, 2^280085295379 is an apocalyptic number.

280085295379 is a deficient number, since it is larger than the sum of its proper divisors (1).

280085295379 is an equidigital number, since it uses as much as digits as its factorization.

280085295379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 280085295379 in words is "two hundred eighty billion, eighty-five million, two hundred ninety-five thousand, three hundred seventy-nine".