8107441745 has 8 divisors (see below), whose sum is σ = 10477309416. Its totient is φ = 5987033856.

The previous prime is 8107441733. The next prime is 8107441777. The reversal of 8107441745 is 5471447018.

It can be written as a sum of positive squares in 4 ways, for example, as 324144016 + 7783297729 = 18004^2 + 88223^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8107441745 - 2¹⁰ = 8107440721 is a prime.

It is a super-2 number, since 2×8107441745² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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, 62364872 + ... + 62365001.

It is an arithmetic number, because the mean of its divisors is an integer number (1309663677).

Almost surely, 2^8107441745 is an apocalyptic number.

It is an amenable number.

8107441745 is a deficient number, since it is larger than the sum of its proper divisors (2369867671).

8107441745 is a wasteful number, since it uses less digits than its factorization.

8107441745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124729891.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 8107441745 is about 90041.3335363265. Note that the first 3 decimals coincide. The cubic root of 8107441745 is about 2008.9136927716.

The spelling of 8107441745 in words is "eight billion, one hundred seven million, four hundred forty-one thousand, seven hundred forty-five".