7985663395 has 16 divisors (see below), whose sum is σ = 10003080960. Its totient is φ = 6112972800.

The previous prime is 7985663383. The next prime is 7985663407. The reversal of 7985663395 is 5933665897.

It is an interprime number because it is at equal distance from previous prime (7985663383) and next prime (7985663407).

It is not a de Polignac number, because 7985663395 - 2⁵ = 7985663363 is a prime.

It is a super-3 number, since 3×7985663395³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275646 + ... + 303235.

It is an arithmetic number, because the mean of its divisors is an integer number (625192560).

Almost surely, 2^7985663395 is an apocalyptic number.

7985663395 is a deficient number, since it is larger than the sum of its proper divisors (2017417565).

7985663395 is a wasteful number, since it uses less digits than its factorization.

7985663395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579006.

The product of its digits is 36741600, while the sum is 61.

The square root of 7985663395 is about 89362.5391033625. The cubic root of 7985663395 is about 1998.8045685308.

The spelling of 7985663395 in words is "seven billion, nine hundred eighty-five million, six hundred sixty-three thousand, three hundred ninety-five".