814281872 has 10 divisors (see below), whose sum is σ = 1577671158. Its totient is φ = 407140928.

The previous prime is 814281859. The next prime is 814281893. The reversal of 814281872 is 278182418.

It can be written as a sum of positive squares in only one way, i.e., 735711376 + 78570496 = 27124^2 + 8864^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25446293 + ... + 25446324.

Almost surely, 2^814281872 is an apocalyptic number.

It is an amenable number.

814281872 is a deficient number, since it is larger than the sum of its proper divisors (763389286).

814281872 is a wasteful number, since it uses less digits than its factorization.

814281872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50892625 (or 50892619 counting only the distinct ones).

The product of its digits is 57344, while the sum is 41.

The square root of 814281872 is about 28535.6246120529. The cubic root of 814281872 is about 933.8094303424.

The spelling of 814281872 in words is "eight hundred fourteen million, two hundred eighty-one thousand, eight hundred seventy-two".