2175080865 has 8 divisors (see below), whose sum is σ = 3480129408. Its totient is φ = 1160043120.

The previous prime is 2175080849. The next prime is 2175080909. The reversal of 2175080865 is 5680805712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2175080865 - 2⁴ = 2175080849 is a prime.

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, 72502681 + ... + 72502710.

It is an arithmetic number, because the mean of its divisors is an integer number (435016176).

Almost surely, 2^2175080865 is an apocalyptic number.

It is an amenable number.

2175080865 is a deficient number, since it is larger than the sum of its proper divisors (1305048543).

2175080865 is a wasteful number, since it uses less digits than its factorization.

2175080865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145005399.

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 2175080865 is about 46637.7622211872. The cubic root of 2175080865 is about 1295.6622413480.

The spelling of 2175080865 in words is "two billion, one hundred seventy-five million, eighty thousand, eight hundred sixty-five".