8127145606 has 4 divisors (see below), whose sum is σ = 12190718412. Its totient is φ = 4063572802.

The previous prime is 8127145601. The next prime is 8127145639. The reversal of 8127145606 is 6065417218.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×8127145606² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8127145601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2031786400 + ... + 2031786403.

It is an arithmetic number, because the mean of its divisors is an integer number (3047679603).

Almost surely, 2^8127145606 is an apocalyptic number.

8127145606 is a deficient number, since it is larger than the sum of its proper divisors (4063572806).

8127145606 is a wasteful number, since it uses less digits than its factorization.

8127145606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063572805.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 8127145606 is about 90150.6827816628. The cubic root of 8127145606 is about 2010.5398256339.

The spelling of 8127145606 in words is "eight billion, one hundred twenty-seven million, one hundred forty-five thousand, six hundred six".