42878821016188 has 12 divisors (see below), whose sum is σ = 76453746906600. Its totient is φ = 21034893328592.

The previous prime is 42878821016107. The next prime is 42878821016197. The reversal of 42878821016188 is 88161012887824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101129294638 + ... + 101129295061.

It is an arithmetic number, because the mean of its divisors is an integer number (6371145575550).

Almost surely, 2^{42878821016188} is an apocalyptic number.

It is an amenable number.

42878821016188 is a deficient number, since it is larger than the sum of its proper divisors (33574925890412).

42878821016188 is a wasteful number, since it uses less digits than its factorization.

42878821016188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202258589756 (or 202258589754 counting only the distinct ones).

The product of its (nonzero) digits is 22020096, while the sum is 64.

The spelling of 42878821016188 in words is "forty-two trillion, eight hundred seventy-eight billion, eight hundred twenty-one million, sixteen thousand, one hundred eighty-eight".