814412879 has 6 divisors (see below), whose sum is σ = 947378304. Its totient is φ = 698068140.

The previous prime is 814412857. The next prime is 814412899. The reversal of 814412879 is 978214418.

814412879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-814412879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814412899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8310287 + ... + 8310384.

It is an arithmetic number, because the mean of its divisors is an integer number (157896384).

Almost surely, 2^814412879 is an apocalyptic number.

814412879 is a deficient number, since it is larger than the sum of its proper divisors (132965425).

814412879 is a wasteful number, since it uses less digits than its factorization.

814412879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16620685 (or 16620678 counting only the distinct ones).

The product of its digits is 129024, while the sum is 44.

The square root of 814412879 is about 28537.9200188101. The cubic root of 814412879 is about 933.8595067824.

The spelling of 814412879 in words is "eight hundred fourteen million, four hundred twelve thousand, eight hundred seventy-nine".