42879128784 has 40 divisors (see below), whose sum is σ = 111383100192. Its totient is φ = 14214072960.

The previous prime is 42879128779. The next prime is 42879128833. The reversal of 42879128784 is 48782197824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2459034 + ... + 2476409.

Almost surely, 2^42879128784 is an apocalyptic number.

It is an amenable number.

42879128784 is an abundant number, since it is smaller than the sum of its proper divisors (68503971408).

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

42879128784 is a wasteful number, since it uses less digits than its factorization.

42879128784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935635 (or 4935629 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 60.

The spelling of 42879128784 in words is "forty-two billion, eight hundred seventy-nine million, one hundred twenty-eight thousand, seven hundred eighty-four".