869866468 has 12 divisors (see below), whose sum is σ = 1524519612. Its totient is φ = 434289440.

The previous prime is 869866457. The next prime is 869866469. The reversal of 869866468 is 864668968.

It can be written as a sum of positive squares in 2 ways, for example, as 432972864 + 436893604 = 20808^2 + 20902^2 .

It is not an unprimeable number, because it can be changed into a prime (869866469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157903 + ... + 163318.

It is an arithmetic number, because the mean of its divisors is an integer number (127043301).

Almost surely, 2^869866468 is an apocalyptic number.

It is an amenable number.

869866468 is a deficient number, since it is larger than the sum of its proper divisors (654653144).

869866468 is a wasteful number, since it uses less digits than its factorization.

869866468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321902 (or 321900 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 61.

The square root of 869866468 is about 29493.4987412480. The cubic root of 869866468 is about 954.5914274314.

The spelling of 869866468 in words is "eight hundred sixty-nine million, eight hundred sixty-six thousand, four hundred sixty-eight".