8446142685 has 16 divisors (see below), whose sum is σ = 14101386624. Its totient is φ = 4308756672.

The previous prime is 8446142647. The next prime is 8446142701. The reversal of 8446142685 is 5862416448.

It is not a de Polignac number, because 8446142685 - 2¹⁴ = 8446126301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12240442 + ... + 12241131.

It is an arithmetic number, because the mean of its divisors is an integer number (881336664).

Almost surely, 2^8446142685 is an apocalyptic number.

It is an amenable number.

8446142685 is a deficient number, since it is larger than the sum of its proper divisors (5655243939).

8446142685 is a wasteful number, since it uses less digits than its factorization.

8446142685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24481604.

The product of its digits is 1474560, while the sum is 48.

The square root of 8446142685 is about 91902.8981316694. The cubic root of 8446142685 is about 2036.5080821011.

The spelling of 8446142685 in words is "eight billion, four hundred forty-six million, one hundred forty-two thousand, six hundred eighty-five".