814090768 has 10 divisors (see below), whose sum is σ = 1577300894. Its totient is φ = 407045376.

The previous prime is 814090763. The next prime is 814090769. The reversal of 814090768 is 867090418.

It can be written as a sum of positive squares in only one way, i.e., 741363984 + 72726784 = 27228^2 + 8528^2 .

It is not an unprimeable number, because it can be changed into a prime (814090763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25440321 + ... + 25440352.

Almost surely, 2^814090768 is an apocalyptic number.

It is an amenable number.

814090768 is a deficient number, since it is larger than the sum of its proper divisors (763210126).

814090768 is a wasteful number, since it uses less digits than its factorization.

814090768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50880681 (or 50880675 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 814090768 is about 28532.2758994091. The cubic root of 814090768 is about 933.7363726434.

The spelling of 814090768 in words is "eight hundred fourteen million, ninety thousand, seven hundred sixty-eight".