42786623371 has 4 divisors (see below), whose sum is σ = 42809542552. Its totient is φ = 42763704192.

The previous prime is 42786623359. The next prime is 42786623381. The reversal of 42786623371 is 17332668724.

42786623371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42786623371 - 2¹¹ = 42786621323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42786623381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11456790 + ... + 11460523.

It is an arithmetic number, because the mean of its divisors is an integer number (10702385638).

Almost surely, 2^42786623371 is an apocalyptic number.

42786623371 is a deficient number, since it is larger than the sum of its proper divisors (22919181).

42786623371 is a wasteful number, since it uses less digits than its factorization.

42786623371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22919180.

The product of its digits is 2032128, while the sum is 49.

The spelling of 42786623371 in words is "forty-two billion, seven hundred eighty-six million, six hundred twenty-three thousand, three hundred seventy-one".