42576481847 has 4 divisors (see below), whose sum is σ = 42582203496. Its totient is φ = 42570760200.

The previous prime is 42576481841. The next prime is 42576481907. The reversal of 42576481847 is 74818467524.

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 42576481847 - 2¹⁰ = 42576480823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42576481792 and 42576481801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42576481841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2849648 + ... + 2864549.

It is an arithmetic number, because the mean of its divisors is an integer number (10645550874).

Almost surely, 2^42576481847 is an apocalyptic number.

42576481847 is a deficient number, since it is larger than the sum of its proper divisors (5721649).

42576481847 is an equidigital number, since it uses as much as digits as its factorization.

42576481847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721648.

The product of its digits is 12042240, while the sum is 56.

The spelling of 42576481847 in words is "forty-two billion, five hundred seventy-six million, four hundred eighty-one thousand, eight hundred forty-seven".