42878535237998 has 8 divisors (see below), whose sum is σ = 64727470391592. Its totient is φ = 21302711774136.

The previous prime is 42878535237997. The next prime is 42878535238103. The reversal of 42878535237998 is 89973253587824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42878535237997) 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 3 ways as a sum of consecutive naturals, for example, 68277922040 + ... + 68277922667.

It is an arithmetic number, because the mean of its divisors is an integer number (8090933798949).

Almost surely, 2^{42878535237998} is an apocalyptic number.

42878535237998 is a deficient number, since it is larger than the sum of its proper divisors (21848935153594).

42878535237998 is a wasteful number, since it uses less digits than its factorization.

42878535237998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136555844866.

The product of its digits is 7315660800, while the sum is 80.

The spelling of 42878535237998 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred thirty-five million, two hundred thirty-seven thousand, nine hundred ninety-eight".