8666969477465 has 64 divisors (see below), whose sum is σ = 11446753866240. Its totient is φ = 6260824627200.

The previous prime is 8666969477399. The next prime is 8666969477471. The reversal of 8666969477465 is 5647749696668.

It is not a de Polignac number, because 8666969477465 - 2²⁴ = 8666952700249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1744205501 + ... + 1744210469.

It is an arithmetic number, because the mean of its divisors is an integer number (178855529160).

Almost surely, 2^{8666969477465} is an apocalyptic number.

It is an amenable number.

8666969477465 is a deficient number, since it is larger than the sum of its proper divisors (2779784388775).

8666969477465 is a wasteful number, since it uses less digits than its factorization.

8666969477465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7762.

The product of its digits is 19752284160, while the sum is 83.

The spelling of 8666969477465 in words is "eight trillion, six hundred sixty-six billion, nine hundred sixty-nine million, four hundred seventy-seven thousand, four hundred sixty-five".