814831368871 has 8 divisors (see below), whose sum is σ = 887370377040. Its totient is φ = 743700885312.

The previous prime is 814831368859. The next prime is 814831368913. The reversal of 814831368871 is 178863138418.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-814831368871 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 (814831368821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352129945 + ... + 352132258.

It is an arithmetic number, because the mean of its divisors is an integer number (110921297130).

Almost surely, 2^814831368871 is an apocalyptic number.

814831368871 is a deficient number, since it is larger than the sum of its proper divisors (72539008169).

814831368871 is a wasteful number, since it uses less digits than its factorization.

814831368871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704262305.

The product of its digits is 6193152, while the sum is 58.

The spelling of 814831368871 in words is "eight hundred fourteen billion, eight hundred thirty-one million, three hundred sixty-eight thousand, eight hundred seventy-one".