42878787324342 has 128 divisors (see below), whose sum is σ = 89940235714560. Its totient is φ = 13611940513920.

The previous prime is 42878787324293. The next prime is 42878787324361. The reversal of 42878787324342 is 24342378787824.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9195534303 + ... + 9195538965.

It is an arithmetic number, because the mean of its divisors is an integer number (702658091520).

Almost surely, 2^{42878787324342} is an apocalyptic number.

42878787324342 is an abundant number, since it is smaller than the sum of its proper divisors (47061448390218).

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

42878787324342 is a wasteful number, since it uses less digits than its factorization.

42878787324342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6978.

The product of its digits is 809238528, while the sum is 69.

The spelling of 42878787324342 in words is "forty-two trillion, eight hundred seventy-eight billion, seven hundred eighty-seven million, three hundred twenty-four thousand, three hundred forty-two".