8442478836697 has 16 divisors (see below), whose sum is σ = 8536444749504. Its totient is φ = 8348797440000.

The previous prime is 8442478836689. The next prime is 8442478836707. The reversal of 8442478836697 is 7966388742448.

It is a cyclic number.

It is not a de Polignac number, because 8442478836697 - 2³ = 8442478836689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8442478830697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442445197 + ... + 442464277.

It is an arithmetic number, because the mean of its divisors is an integer number (533527796844).

Almost surely, 2^{8442478836697} is an apocalyptic number.

It is an amenable number.

8442478836697 is a deficient number, since it is larger than the sum of its proper divisors (93965912807).

8442478836697 is a wasteful number, since it uses less digits than its factorization.

8442478836697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26280.

The product of its digits is 3121348608, while the sum is 76.

The spelling of 8442478836697 in words is "eight trillion, four hundred forty-two billion, four hundred seventy-eight million, eight hundred thirty-six thousand, six hundred ninety-seven".