280878975795 has 16 divisors (see below), whose sum is σ = 490261485312. Its totient is φ = 136183745760.

The previous prime is 280878975743. The next prime is 280878975841. The reversal of 280878975795 is 597579878082.

It is not a de Polignac number, because 280878975795 - 2¹² = 280878971699 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 851148247 + ... + 851148576.

It is an arithmetic number, because the mean of its divisors is an integer number (30641342832).

Almost surely, 2^280878975795 is an apocalyptic number.

280878975795 is a deficient number, since it is larger than the sum of its proper divisors (209382509517).

280878975795 is a wasteful number, since it uses less digits than its factorization.

280878975795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702296842.

The product of its (nonzero) digits is 711244800, while the sum is 75.

The spelling of 280878975795 in words is "two hundred eighty billion, eight hundred seventy-eight million, nine hundred seventy-five thousand, seven hundred ninety-five".