8287391106 has 48 divisors (see below), whose sum is σ = 18229325400. Its totient is φ = 2720661504.

The previous prime is 8287391093. The next prime is 8287391113. The reversal of 8287391106 is 6011937828.

8287391106 is a `hidden beast` number, since 82 + 87 + 391 + 106 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8287371225 + 19881 = 91035^2 + 141^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401650 + ... + 421778.

Almost surely, 2^8287391106 is an apocalyptic number.

8287391106 is an abundant number, since it is smaller than the sum of its proper divisors (9941934294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8287391106 is a wasteful number, since it uses less digits than its factorization.

8287391106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20483 (or 20480 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 8287391106 is about 91035.1091942005. The cubic root of 8287391106 is about 2023.6680653160.

The spelling of 8287391106 in words is "eight billion, two hundred eighty-seven million, three hundred ninety-one thousand, one hundred six".