42878535238102 has 32 divisors (see below), whose sum is σ = 65953074608064. Its totient is φ = 20900436480000.

The previous prime is 42878535237997. The next prime is 42878535238103. The reversal of 42878535238102 is 20183253587824.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878535238103) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 742443727 + ... + 742501477.

It is an arithmetic number, because the mean of its divisors is an integer number (2061033581502).

Almost surely, 2^{42878535238102} is an apocalyptic number.

42878535238102 is a deficient number, since it is larger than the sum of its proper divisors (23074539369962).

42878535238102 is a wasteful number, since it uses less digits than its factorization.

42878535238102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111784.

The product of its (nonzero) digits is 25804800, while the sum is 58.

The spelling of 42878535238102 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred thirty-five million, two hundred thirty-eight thousand, one hundred two".