9842005045878 has 32 divisors (see below), whose sum is σ = 20814563008512. Its totient is φ = 3097405204800.

The previous prime is 9842005045877. The next prime is 9842005045897. The reversal of 9842005045878 is 8785405002489.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9842005045871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645285126 + ... + 645300377.

It is an arithmetic number, because the mean of its divisors is an integer number (650455094016).

Almost surely, 2^{9842005045878} is an apocalyptic number.

9842005045878 is an abundant number, since it is smaller than the sum of its proper divisors (10972557962634).

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

9842005045878 is a wasteful number, since it uses less digits than its factorization.

9842005045878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290585580.

The product of its (nonzero) digits is 25804800, while the sum is 60.

The spelling of 9842005045878 in words is "nine trillion, eight hundred forty-two billion, five million, forty-five thousand, eight hundred seventy-eight".