814463868 has 24 divisors (see below), whose sum is σ = 1961720320. Its totient is φ = 262730160.

The previous prime is 814463813. The next prime is 814463911. The reversal of 814463868 is 868364418.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 1094338 + ... + 1095081.

Almost surely, 2^814463868 is an apocalyptic number.

It is an amenable number.

814463868 is an abundant number, since it is smaller than the sum of its proper divisors (1147256452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

814463868 is a wasteful number, since it uses less digits than its factorization.

814463868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189457 (or 2189455 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 814463868 is about 28538.8133600541. The cubic root of 814463868 is about 933.8789954921.

The spelling of 814463868 in words is "eight hundred fourteen million, four hundred sixty-three thousand, eight hundred sixty-eight".