316826870447 has 4 divisors (see below), whose sum is σ = 316831100040. Its totient is φ = 316822640856.

The previous prime is 316826870443. The next prime is 316826870473. The reversal of 316826870447 is 744078628613.

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 316826870447 - 2² = 316826870443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316826870392 and 316826870401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316826870443) by changing a digit.

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, 2000372 + ... + 2152937.

It is an arithmetic number, because the mean of its divisors is an integer number (79207775010).

Almost surely, 2^316826870447 is an apocalyptic number.

316826870447 is a deficient number, since it is larger than the sum of its proper divisors (4229593).

316826870447 is an equidigital number, since it uses as much as digits as its factorization.

316826870447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229592.

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 316826870447 in words is "three hundred sixteen billion, eight hundred twenty-six million, eight hundred seventy thousand, four hundred forty-seven".