7171885968 has 80 divisors (see below), whose sum is σ = 20439275136. Its totient is φ = 2152903680.

The previous prime is 7171885957. The next prime is 7171885969. The reversal of 7171885968 is 8695881717.

It is not an unprimeable number, because it can be changed into a prime (7171885969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114580 + ... + 165747.

Almost surely, 2^7171885968 is an apocalyptic number.

7171885968 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

7171885968 is an abundant number, since it is smaller than the sum of its proper divisors (13267389168).

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

7171885968 is a wasteful number, since it uses less digits than its factorization.

7171885968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280392 (or 280386 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 60.

The square root of 7171885968 is about 84686.9881859073. The cubic root of 7171885968 is about 1928.4621760630.

The spelling of 7171885968 in words is "seven billion, one hundred seventy-one million, eight hundred eighty-five thousand, nine hundred sixty-eight".