8187707378275 has 12 divisors (see below), whose sum is σ = 10154364556752. Its totient is φ = 6549128865440.

The previous prime is 8187707378233. The next prime is 8187707378287. The reversal of 8187707378275 is 5728737077818.

It is not a de Polignac number, because 8187707378275 - 2⁹ = 8187707377763 is a prime.

It is a super-2 number, since 2×8187707378275² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25764847 + ... + 26080696.

It is an arithmetic number, because the mean of its divisors is an integer number (846197046396).

Almost surely, 2^{8187707378275} is an apocalyptic number.

8187707378275 is a deficient number, since it is larger than the sum of its proper divisors (1966657178477).

8187707378275 is a wasteful number, since it uses less digits than its factorization.

8187707378275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51851870 (or 51851865 counting only the distinct ones).

The product of its (nonzero) digits is 258155520, while the sum is 70.

The spelling of 8187707378275 in words is "eight trillion, one hundred eighty-seven billion, seven hundred seven million, three hundred seventy-eight thousand, two hundred seventy-five".