846487784648 has 64 divisors (see below), whose sum is σ = 1773916139520. Its totient is φ = 375333235200.

The previous prime is 846487784609. The next prime is 846487784687.

It is a happy number.

846487784648 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (846487784609) and next prime (846487784687).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48941090 + ... + 48958382.

It is an arithmetic number, because the mean of its divisors is an integer number (27717439680).

Almost surely, 2^846487784648 is an apocalyptic number.

846487784648 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

846487784648 is an abundant number, since it is smaller than the sum of its proper divisors (927428354872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

846487784648 is a wasteful number, since it uses less digits than its factorization.

846487784648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30918 (or 30914 counting only the distinct ones).

The product of its digits is 1849688064, while the sum is 74.

The spelling of 846487784648 in words is "eight hundred forty-six billion, four hundred eighty-seven million, seven hundred eighty-four thousand, six hundred forty-eight".