42878516142188 has 6 divisors (see below), whose sum is σ = 75037403248836. Its totient is φ = 21439258071092.

The previous prime is 42878516142169. The next prime is 42878516142233. The reversal of 42878516142188 is 88124161587824.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5359814517770 + ... + 5359814517777.

It is an arithmetic number, because the mean of its divisors is an integer number (12506233874806).

Almost surely, 2^{42878516142188} is an apocalyptic number.

It is an amenable number.

42878516142188 is a deficient number, since it is larger than the sum of its proper divisors (32158887106648).

42878516142188 is a wasteful number, since it uses less digits than its factorization.

42878516142188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10719629035551 (or 10719629035549 counting only the distinct ones).

The product of its digits is 55050240, while the sum is 65.

The spelling of 42878516142188 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred sixteen million, one hundred forty-two thousand, one hundred eighty-eight".