42879430806 has 16 divisors (see below), whose sum is σ = 85765992048. Its totient is φ = 14291955200.

The previous prime is 42879430787. The next prime is 42879430807. The reversal of 42879430806 is 60803497824.

42879430806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42879430807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217275 + ... + 364646.

It is an arithmetic number, because the mean of its divisors is an integer number (5360374503).

Almost surely, 2^42879430806 is an apocalyptic number.

42879430806 is an abundant number, since it is smaller than the sum of its proper divisors (42886561242).

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

42879430806 is a wasteful number, since it uses less digits than its factorization.

42879430806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594207.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 42879430806 in words is "forty-two billion, eight hundred seventy-nine million, four hundred thirty thousand, eight hundred six".