814973968 has 10 divisors (see below), whose sum is σ = 1579012094. Its totient is φ = 407486976.

The previous prime is 814973963. The next prime is 814973977. The reversal of 814973968 is 869379418.

It can be written as a sum of positive squares in only one way, i.e., 472279824 + 342694144 = 21732^2 + 18512^2 .

It is not an unprimeable number, because it can be changed into a prime (814973963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25467921 + ... + 25467952.

Almost surely, 2^814973968 is an apocalyptic number.

It is an amenable number.

814973968 is a deficient number, since it is larger than the sum of its proper divisors (764038126).

814973968 is a wasteful number, since it uses less digits than its factorization.

814973968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50935881 (or 50935875 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The square root of 814973968 is about 28547.7489130054. The cubic root of 814973968 is about 934.0739180983.

The spelling of 814973968 in words is "eight hundred fourteen million, nine hundred seventy-three thousand, nine hundred sixty-eight".