7985719336 has 24 divisors (see below), whose sum is σ = 17417832570. Its totient is φ = 3422450976.

The previous prime is 7985719333. The next prime is 7985719351. The reversal of 7985719336 is 6339175897.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7138560100 + 847159236 = 84490^2 + 29106^2 .

It is not an unprimeable number, because it can be changed into a prime (7985719331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10185475 + ... + 10186258.

Almost surely, 2^7985719336 is an apocalyptic number.

It is an amenable number.

7985719336 is an abundant number, since it is smaller than the sum of its proper divisors (9432113234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7985719336 is a wasteful number, since it uses less digits than its factorization.

7985719336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20371753 (or 20371742 counting only the distinct ones).

The product of its digits is 8573040, while the sum is 58.

The square root of 7985719336 is about 89362.8521030971. The cubic root of 7985719336 is about 1998.8092358477.

The spelling of 7985719336 in words is "seven billion, nine hundred eighty-five million, seven hundred nineteen thousand, three hundred thirty-six".