42543697227 has 8 divisors (see below), whose sum is σ = 57442967040. Its totient is φ = 28003446120.

The previous prime is 42543697211. The next prime is 42543697237. The reversal of 42543697227 is 72279634524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42543697227 - 2⁴ = 42543697211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42543697227.

It is not an unprimeable number, because it can be changed into a prime (42543697237) 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, 89754399 + ... + 89754872.

It is an arithmetic number, because the mean of its divisors is an integer number (7180370880).

Almost surely, 2^42543697227 is an apocalyptic number.

42543697227 is a deficient number, since it is larger than the sum of its proper divisors (14899269813).

42543697227 is a wasteful number, since it uses less digits than its factorization.

42543697227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179509353.

The product of its digits is 5080320, while the sum is 51.

The spelling of 42543697227 in words is "forty-two billion, five hundred forty-three million, six hundred ninety-seven thousand, two hundred twenty-seven".