846142381872 has 80 divisors (see below), whose sum is σ = 2429276738560. Its totient is φ = 281985364800.

The previous prime is 846142381813. The next prime is 846142381919. The reversal of 846142381872 is 278183241648.

846142381872 is a `hidden beast` number, since 8 + 4 + 61 + 423 + 81 + 87 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1769997 + ... + 2196627.

It is an arithmetic number, because the mean of its divisors is an integer number (30365959232).

Almost surely, 2^846142381872 is an apocalyptic number.

It is an amenable number.

846142381872 is an abundant number, since it is smaller than the sum of its proper divisors (1583134356688).

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

846142381872 is a wasteful number, since it uses less digits than its factorization.

846142381872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431239 (or 431227 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 54.

The spelling of 846142381872 in words is "eight hundred forty-six billion, one hundred forty-two million, three hundred eighty-one thousand, eight hundred seventy-two".