814447477814 has 8 divisors (see below), whose sum is σ = 1233766971648. Its totient is φ = 403191820600.

The previous prime is 814447477807. The next prime is 814447477859. The reversal of 814447477814 is 418774744418.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2015958902 + ... + 2015959305.

It is an arithmetic number, because the mean of its divisors is an integer number (154220871456).

Almost surely, 2^814447477814 is an apocalyptic number.

814447477814 is a deficient number, since it is larger than the sum of its proper divisors (419319493834).

814447477814 is a wasteful number, since it uses less digits than its factorization.

814447477814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031918310.

The product of its digits is 22478848, while the sum is 59.

The spelling of 814447477814 in words is "eight hundred fourteen billion, four hundred forty-seven million, four hundred seventy-seven thousand, eight hundred fourteen".