42878787136108 has 72 divisors (see below), whose sum is σ = 95239656190224. Its totient is φ = 16703330313600.

The previous prime is 42878787136091. The next prime is 42878787136111. The reversal of 42878787136108 is 80163178787824.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11814010 + ... + 15010942.

It is an arithmetic number, because the mean of its divisors is an integer number (1322773002642).

Almost surely, 2^{42878787136108} is an apocalyptic number.

It is an amenable number.

42878787136108 is an abundant number, since it is smaller than the sum of its proper divisors (52360869054116).

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

42878787136108 is a wasteful number, since it uses less digits than its factorization.

42878787136108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203183 (or 3203174 counting only the distinct ones).

The product of its (nonzero) digits is 202309632, while the sum is 70.

The spelling of 42878787136108 in words is "forty-two trillion, eight hundred seventy-eight billion, seven hundred eighty-seven million, one hundred thirty-six thousand, one hundred eight".