8127051205 has 32 divisors (see below), whose sum is σ = 12416947200. Its totient is φ = 4966762752.

The previous prime is 8127051197. The next prime is 8127051307. The reversal of 8127051205 is 5021507218.

It is not a de Polignac number, because 8127051205 - 2³ = 8127051197 is a prime.

It is a super-2 number, since 2×8127051205² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294765 + ... + 321154.

It is an arithmetic number, because the mean of its divisors is an integer number (388029600).

Almost surely, 2^8127051205 is an apocalyptic number.

It is an amenable number.

8127051205 is a deficient number, since it is larger than the sum of its proper divisors (4289895995).

8127051205 is a wasteful number, since it uses less digits than its factorization.

8127051205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615973.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 8127051205 is about 90150.1592067368. The cubic root of 8127051205 is about 2010.5320411170.

The spelling of 8127051205 in words is "eight billion, one hundred twenty-seven million, fifty-one thousand, two hundred five".