1447316985 has 8 divisors (see below), whose sum is σ = 2315707200. Its totient is φ = 771902384.

The previous prime is 1447316957. The next prime is 1447316993. The reversal of 1447316985 is 5896137441.

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

It is a cyclic number.

It is not a de Polignac number, because 1447316985 - 2⁹ = 1447316473 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48243885 + ... + 48243914.

It is an arithmetic number, because the mean of its divisors is an integer number (289463400).

Almost surely, 2^1447316985 is an apocalyptic number.

1447316985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1447316985 is a deficient number, since it is larger than the sum of its proper divisors (868390215).

1447316985 is an equidigital number, since it uses as much as digits as its factorization.

1447316985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96487807.

The product of its digits is 725760, while the sum is 48.

The square root of 1447316985 is about 38043.6195044583. The cubic root of 1447316985 is about 1131.1526560317.

The spelling of 1447316985 in words is "one billion, four hundred forty-seven million, three hundred sixteen thousand, nine hundred eighty-five".