7985372368 has 20 divisors (see below), whose sum is σ = 15492789028. Its totient is φ = 3987233280.

The previous prime is 7985372281. The next prime is 7985372387. The reversal of 7985372368 is 8632735897.

It can be written as a sum of positive squares in 2 ways, for example, as 7916016784 + 69355584 = 88972^2 + 8328^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328713 + ... + 352168.

Almost surely, 2^7985372368 is an apocalyptic number.

It is an amenable number.

7985372368 is a deficient number, since it is larger than the sum of its proper divisors (7507416660).

7985372368 is a wasteful number, since it uses less digits than its factorization.

7985372368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681622 (or 681616 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 58.

The square root of 7985372368 is about 89360.9107384207. The cubic root of 7985372368 is about 1998.7802869679.

The spelling of 7985372368 in words is "seven billion, nine hundred eighty-five million, three hundred seventy-two thousand, three hundred sixty-eight".