8427187364 has 12 divisors (see below), whose sum is σ = 14748922188. Its totient is φ = 4213209600.

The previous prime is 8427187331. The next prime is 8427187369. The reversal of 8427187364 is 4637817248.

It can be written as a sum of positive squares in 2 ways, for example, as 4383499264 + 4043688100 = 66208^2 + 63590^2 .

It is a super-2 number, since 2×8427187364² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8427187369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43457 + ... + 136904.

It is an arithmetic number, because the mean of its divisors is an integer number (1229076849).

Almost surely, 2^8427187364 is an apocalyptic number.

It is an amenable number.

8427187364 is a deficient number, since it is larger than the sum of its proper divisors (6321734824).

8427187364 is a wasteful number, since it uses less digits than its factorization.

8427187364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192046 (or 192044 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The square root of 8427187364 is about 91799.7133110992. The cubic root of 8427187364 is about 2034.9834579808.

The spelling of 8427187364 in words is "eight billion, four hundred twenty-seven million, one hundred eighty-seven thousand, three hundred sixty-four".