8466257811 has 16 divisors (see below), whose sum is σ = 12353915520. Its totient is φ = 5114665920.

The previous prime is 8466257777. The next prime is 8466257867. The reversal of 8466257811 is 1187526648.

It is not a de Polignac number, because 8466257811 - 2⁹ = 8466257299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8466257411) 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, 399501 + ... + 420158.

It is an arithmetic number, because the mean of its divisors is an integer number (772119720).

Almost surely, 2^8466257811 is an apocalyptic number.

8466257811 is a deficient number, since it is larger than the sum of its proper divisors (3887657709).

8466257811 is a wasteful number, since it uses less digits than its factorization.

8466257811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819986.

The product of its digits is 645120, while the sum is 48.

The square root of 8466257811 is about 92012.2698937484. The cubic root of 8466257811 is about 2038.1234995782.

The spelling of 8466257811 in words is "eight billion, four hundred sixty-six million, two hundred fifty-seven thousand, eight hundred eleven".