266342875 has 16 divisors (see below), whose sum is σ = 346851648. Its totient is φ = 203808000.

The previous prime is 266342863. The next prime is 266342887. The reversal of 266342875 is 578243662.

It is an interprime number because it is at equal distance from previous prime (266342863) and next prime (266342887).

It is a de Polignac number, because none of the positive numbers 2^k-266342875 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43446 + ... + 49195.

It is an arithmetic number, because the mean of its divisors is an integer number (21678228).

Almost surely, 2^266342875 is an apocalyptic number.

266342875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

266342875 is a deficient number, since it is larger than the sum of its proper divisors (80508773).

266342875 is an equidigital number, since it uses as much as digits as its factorization.

266342875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92679 (or 92669 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 266342875 is about 16320.0145526896. The cubic root of 266342875 is about 643.3989697112.

The spelling of 266342875 in words is "two hundred sixty-six million, three hundred forty-two thousand, eight hundred seventy-five".