8140775185 has 8 divisors (see below), whose sum is σ = 9793294056. Its totient is φ = 6496377600.

The previous prime is 8140775141. The next prime is 8140775221. The reversal of 8140775185 is 5815770418.

It can be written as a sum of positive squares in 4 ways, for example, as 1401678721 + 6739096464 = 37439^2 + 82092^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-8140775185 is a prime.

It is a super-2 number, since 2×8140775185² (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, 2028114 + ... + 2032123.

It is an arithmetic number, because the mean of its divisors is an integer number (1224161757).

Almost surely, 2^8140775185 is an apocalyptic number.

It is an amenable number.

8140775185 is a deficient number, since it is larger than the sum of its proper divisors (1652518871).

8140775185 is a wasteful number, since it uses less digits than its factorization.

8140775185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060643.

The product of its (nonzero) digits is 313600, while the sum is 46.

The square root of 8140775185 is about 90226.2444358625. The cubic root of 8140775185 is about 2011.6631190343.

The spelling of 8140775185 in words is "eight billion, one hundred forty million, seven hundred seventy-five thousand, one hundred eighty-five".