42878310768824 has 16 divisors (see below), whose sum is σ = 80757356608320. Its totient is φ = 21343015673280.

The previous prime is 42878310768817. The next prime is 42878310768877. The reversal of 42878310768824 is 42886701387824.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12017461997 + ... + 12017465564.

It is an arithmetic number, because the mean of its divisors is an integer number (5047334788020).

Almost surely, 2^{42878310768824} is an apocalyptic number.

It is an amenable number.

42878310768824 is a deficient number, since it is larger than the sum of its proper divisors (37879045839496).

42878310768824 is a wasteful number, since it uses less digits than its factorization.

42878310768824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24034927790 (or 24034927786 counting only the distinct ones).

The product of its (nonzero) digits is 231211008, while the sum is 68.

The spelling of 42878310768824 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred ten million, seven hundred sixty-eight thousand, eight hundred twenty-four".