842382941778 has 64 divisors (see below), whose sum is σ = 2139710853120. Its totient is φ = 240644210256.

The previous prime is 842382941759. The next prime is 842382941797. The reversal of 842382941778 is 877149283248.

842382941778 is a `hidden beast` number, since 84 + 2 + 382 + 9 + 4 + 177 + 8 = 666.

842382941778 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (842382941759) and next prime (842382941797).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2367501 + ... + 2699967.

It is an arithmetic number, because the mean of its divisors is an integer number (33432982080).

Almost surely, 2^842382941778 is an apocalyptic number.

842382941778 is an abundant number, since it is smaller than the sum of its proper divisors (1297327911342).

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

842382941778 is a wasteful number, since it uses less digits than its factorization.

842382941778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339188 (or 339182 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 63.

The spelling of 842382941778 in words is "eight hundred forty-two billion, three hundred eighty-two million, nine hundred forty-one thousand, seven hundred seventy-eight".