8245189766 has 16 divisors (see below), whose sum is σ = 13493952000. Its totient is φ = 3747307080.

The previous prime is 8245189759. The next prime is 8245189793. The reversal of 8245189766 is 6679815428.

It is a happy number.

It is a super-2 number, since 2×8245189766² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 177155 + ... + 218801.

It is an arithmetic number, because the mean of its divisors is an integer number (843372000).

Almost surely, 2^8245189766 is an apocalyptic number.

8245189766 is a deficient number, since it is larger than the sum of its proper divisors (5248762234).

8245189766 is a wasteful number, since it uses less digits than its factorization.

8245189766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50659.

The product of its digits is 5806080, while the sum is 56.

The square root of 8245189766 is about 90803.0272953496. The cubic root of 8245189766 is about 2020.2272206250.

The spelling of 8245189766 in words is "eight billion, two hundred forty-five million, one hundred eighty-nine thousand, seven hundred sixty-six".