813747214378 has 64 divisors (see below), whose sum is σ = 1429138225152. Its totient is φ = 340289464320.

The previous prime is 813747214373. The next prime is 813747214499. The reversal of 813747214378 is 873412747318.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (813747214373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154320750 + ... + 154326022.

It is an arithmetic number, because the mean of its divisors is an integer number (22330284768).

Almost surely, 2^813747214378 is an apocalyptic number.

813747214378 is a deficient number, since it is larger than the sum of its proper divisors (615391010774).

813747214378 is a wasteful number, since it uses less digits than its factorization.

813747214378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6439.

The product of its digits is 6322176, while the sum is 55.

The spelling of 813747214378 in words is "eight hundred thirteen billion, seven hundred forty-seven million, two hundred fourteen thousand, three hundred seventy-eight".