8445737716 has 24 divisors (see below), whose sum is σ = 15923896520. Its totient is φ = 3896335872.

The previous prime is 8445737653. The next prime is 8445737719. The reversal of 8445737716 is 6177375448.

It can be written as a sum of positive squares in 4 ways, for example, as 1493513316 + 6952224400 = 38646^2 + 83380^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8445737719) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 89440 + ... + 157768.

Almost surely, 2^8445737716 is an apocalyptic number.

It is an amenable number.

8445737716 is a deficient number, since it is larger than the sum of its proper divisors (7478158804).

8445737716 is a wasteful number, since it uses less digits than its factorization.

8445737716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70723 (or 70721 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 52.

The square root of 8445737716 is about 91900.6948613556. The cubic root of 8445737716 is about 2036.4755332855.

The spelling of 8445737716 in words is "eight billion, four hundred forty-five million, seven hundred thirty-seven thousand, seven hundred sixteen".