866952265 has 4 divisors (see below), whose sum is σ = 1040342724. Its totient is φ = 693561808.

The previous prime is 866952263. The next prime is 866952269. The reversal of 866952265 is 562259668.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118984464 + 747967801 = 10908^2 + 27349^2 .

It is a cyclic number.

It is not a de Polignac number, because 866952265 - 2¹ = 866952263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (866952263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86695222 + ... + 86695231.

It is an arithmetic number, because the mean of its divisors is an integer number (260085681).

Almost surely, 2^866952265 is an apocalyptic number.

It is an amenable number.

866952265 is a deficient number, since it is larger than the sum of its proper divisors (173390459).

866952265 is a wasteful number, since it uses less digits than its factorization.

866952265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173390458.

The product of its digits is 1555200, while the sum is 49.

The square root of 866952265 is about 29444.0531347164. The cubic root of 866952265 is about 953.5242193467.

The spelling of 866952265 in words is "eight hundred sixty-six million, nine hundred fifty-two thousand, two hundred sixty-five".