266941887 has 16 divisors (see below), whose sum is σ = 390946560. Its totient is φ = 161263872.

The previous prime is 266941879. The next prime is 266941931. The reversal of 266941887 is 788149662.

It is not a de Polignac number, because 266941887 - 2³ = 266941879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266941817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100498 + ... + 103119.

It is an arithmetic number, because the mean of its divisors is an integer number (24434160).

Almost surely, 2^266941887 is an apocalyptic number.

266941887 is a deficient number, since it is larger than the sum of its proper divisors (124004673).

266941887 is a wasteful number, since it uses less digits than its factorization.

266941887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203662.

The product of its digits is 1161216, while the sum is 51.

The square root of 266941887 is about 16338.3563126772. The cubic root of 266941887 is about 643.8809488599.

The spelling of 266941887 in words is "two hundred sixty-six million, nine hundred forty-one thousand, eight hundred eighty-seven".