42345427727 has 16 divisors (see below), whose sum is σ = 45243411840. Its totient is φ = 39561077472.

The previous prime is 42345427717. The next prime is 42345427757. The reversal of 42345427727 is 72772454324.

It is not a de Polignac number, because 42345427727 - 2²⁸ = 42076992271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42345427717) 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, 25253 + ... + 292110.

It is an arithmetic number, because the mean of its divisors is an integer number (2827713240).

Almost surely, 2^42345427727 is an apocalyptic number.

42345427727 is a deficient number, since it is larger than the sum of its proper divisors (2897984113).

42345427727 is a wasteful number, since it uses less digits than its factorization.

42345427727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317542.

The product of its digits is 2634240, while the sum is 47.

The spelling of 42345427727 in words is "forty-two billion, three hundred forty-five million, four hundred twenty-seven thousand, seven hundred twenty-seven".