7866897168 has 40 divisors (see below), whose sum is σ = 21886113088. Its totient is φ = 2420583552.

The previous prime is 7866897163. The next prime is 7866897173. The reversal of 7866897168 is 8617986687.

It is an interprime number because it is at equal distance from previous prime (7866897163) and next prime (7866897173).

It is a junction number, because it is equal to n+sod(n) for n = 7866897099 and 7866897108.

It is not an unprimeable number, because it can be changed into a prime (7866897163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6302980 + ... + 6304227.

Almost surely, 2^7866897168 is an apocalyptic number.

7866897168 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

7866897168 is an abundant number, since it is smaller than the sum of its proper divisors (14019215920).

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

7866897168 is a wasteful number, since it uses less digits than its factorization.

7866897168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12607231 (or 12607225 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 66.

The square root of 7866897168 is about 88695.5307104028. The cubic root of 7866897168 is about 1988.8460071961.

The spelling of 7866897168 in words is "seven billion, eight hundred sixty-six million, eight hundred ninety-seven thousand, one hundred sixty-eight".