8172087968 has 48 divisors (see below), whose sum is σ = 17560597824. Its totient is φ = 3712642560.

The previous prime is 8172087919. The next prime is 8172087983. The reversal of 8172087968 is 8697802718.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831821 + ... + 841587.

It is an arithmetic number, because the mean of its divisors is an integer number (365845788).

Almost surely, 2^8172087968 is an apocalyptic number.

8172087968 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8172087968 is an abundant number, since it is smaller than the sum of its proper divisors (9388509856).

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

8172087968 is a wasteful number, since it uses less digits than its factorization.

8172087968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12165 (or 12157 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 56.

The square root of 8172087968 is about 90399.6015920424. The cubic root of 8172087968 is about 2014.2390481724.

The spelling of 8172087968 in words is "eight billion, one hundred seventy-two million, eighty-seven thousand, nine hundred sixty-eight".