969794666 has 4 divisors (see below), whose sum is σ = 1454692002. Its totient is φ = 484897332.

The previous prime is 969794647. The next prime is 969794671. The reversal of 969794666 is 666497969.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 666497969 = 431 ⋅1546399.

It can be written as a sum of positive squares in only one way, i.e., 897901225 + 71893441 = 29965^2 + 8479^2 .

It is a super-3 number, since 3×969794666³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 969794599 and 969794608.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 242448665 + ... + 242448668.

Almost surely, 2^969794666 is an apocalyptic number.

969794666 is a deficient number, since it is larger than the sum of its proper divisors (484897336).

969794666 is a wasteful number, since it uses less digits than its factorization.

969794666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484897335.

The product of its digits is 26453952, while the sum is 62.

The square root of 969794666 is about 31141.5263916206. The cubic root of 969794666 is about 989.8284455992.

The spelling of 969794666 in words is "nine hundred sixty-nine million, seven hundred ninety-four thousand, six hundred sixty-six".