42878535237673 has 16 divisors (see below), whose sum is σ = 43440899040000. Its totient is φ = 42319846333440.

The previous prime is 42878535237667. The next prime is 42878535237677. The reversal of 42878535237673 is 37673253587824.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42878535237673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42878535237677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98867703 + ... + 99300451.

It is an arithmetic number, because the mean of its divisors is an integer number (2715056190000).

Almost surely, 2^{42878535237673} is an apocalyptic number.

It is an amenable number.

42878535237673 is a deficient number, since it is larger than the sum of its proper divisors (562363802327).

42878535237673 is a wasteful number, since it uses less digits than its factorization.

42878535237673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436992.

The product of its digits is 1422489600, while the sum is 70.

The spelling of 42878535237673 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred thirty-five million, two hundred thirty-seven thousand, six hundred seventy-three".