266842873 has 8 divisors (see below), whose sum is σ = 293508576. Its totient is φ = 242583220.

The previous prime is 266842871. The next prime is 266842879. The reversal of 266842873 is 378248662.

It is not a de Polignac number, because 266842873 - 2¹ = 266842871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266842871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98911 + ... + 101572.

It is an arithmetic number, because the mean of its divisors is an integer number (36688572).

Almost surely, 2^266842873 is an apocalyptic number.

It is an amenable number.

266842873 is a deficient number, since it is larger than the sum of its proper divisors (26665703).

266842873 is an equidigital number, since it uses as much as digits as its factorization.

266842873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200516 (or 200494 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The square root of 266842873 is about 16335.3259226745. The cubic root of 266842873 is about 643.8013296426.

The spelling of 266842873 in words is "two hundred sixty-six million, eight hundred forty-two thousand, eight hundred seventy-three".