7668835992 has 24 divisors (see below), whose sum is σ = 20769764340. Its totient is φ = 2556278640.

The previous prime is 7668835987. The next prime is 7668835997. The reversal of 7668835992 is 2995388667.

It is an interprime number because it is at equal distance from previous prime (7668835987) and next prime (7668835997).

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×7668835992² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668835997) 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, 53255734 + ... + 53255877.

Almost surely, 2^7668835992 is an apocalyptic number.

7668835992 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7668835992 is an abundant number, since it is smaller than the sum of its proper divisors (13100928348).

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

7668835992 is a wasteful number, since it uses less digits than its factorization.

7668835992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106511623 (or 106511616 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The square root of 7668835992 is about 87571.8904215274. The cubic root of 7668835992 is about 1972.0131954676.

The spelling of 7668835992 in words is "seven billion, six hundred sixty-eight million, eight hundred thirty-five thousand, nine hundred ninety-two".