8402085816347 has 4 divisors (see below), whose sum is σ = 8403290078136. Its totient is φ = 8400881554560.

The previous prime is 8402085816343. The next prime is 8402085816349. The reversal of 8402085816347 is 7436185802048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8402085816347 - 2² = 8402085816343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8402085816292 and 8402085816301.

It is not an unprimeable number, because it can be changed into a prime (8402085816343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602120429 + ... + 602134382.

It is an arithmetic number, because the mean of its divisors is an integer number (2100822519534).

Almost surely, 2^{8402085816347} is an apocalyptic number.

8402085816347 is a deficient number, since it is larger than the sum of its proper divisors (1204261789).

8402085816347 is a wasteful number, since it uses less digits than its factorization.

8402085816347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204261788.

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 8402085816347 in words is "eight trillion, four hundred two billion, eighty-five million, eight hundred sixteen thousand, three hundred forty-seven".