10997768 has 8 divisors (see below), whose sum is σ = 20620830. Its totient is φ = 5498880.

The previous prime is 10997761. The next prime is 10997771. The reversal of 10997768 is 86779901.

10997768 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 10510564 + 487204 = 3242^2 + 698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (10997761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687353 + ... + 687368.

Almost surely, 2^10997768 is an apocalyptic number.

It is an amenable number.

10997768 is a deficient number, since it is larger than the sum of its proper divisors (9623062).

10997768 is a wasteful number, since it uses less digits than its factorization.

10997768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374727 (or 1374723 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 10997768 is about 3316.2882866241. The cubic root of 10997768 is about 222.3829658468.

The spelling of 10997768 in words is "ten million, nine hundred ninety-seven thousand, seven hundred sixty-eight".