42847703604566 has 128 divisors (see below), whose sum is σ = 76957240098816. Its totient is φ = 17511212759040.

The previous prime is 42847703604557. The next prime is 42847703604569. The reversal of 42847703604566 is 66540630774824.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42847703604499 and 42847703604508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42847703604569) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7786241771 + ... + 7786247273.

It is an arithmetic number, because the mean of its divisors is an integer number (601228438272).

Almost surely, 2^{42847703604566} is an apocalyptic number.

42847703604566 is a deficient number, since it is larger than the sum of its proper divisors (34109536494250).

42847703604566 is a wasteful number, since it uses less digits than its factorization.

42847703604566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6766.

The product of its (nonzero) digits is 162570240, while the sum is 62.

The spelling of 42847703604566 in words is "forty-two trillion, eight hundred forty-seven billion, seven hundred three million, six hundred four thousand, five hundred sixty-six".