4187788266 has 16 divisors (see below), whose sum is σ = 8553780864. Its totient is φ = 1366228704.

The previous prime is 4187788229. The next prime is 4187788307. The reversal of 4187788266 is 6628877814.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7424875 + ... + 7425438.

It is an arithmetic number, because the mean of its divisors is an integer number (534611304).

Almost surely, 2^4187788266 is an apocalyptic number.

4187788266 is an abundant number, since it is smaller than the sum of its proper divisors (4365992598).

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

4187788266 is a wasteful number, since it uses less digits than its factorization.

4187788266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14850365.

The product of its digits is 7225344, while the sum is 57.

The square root of 4187788266 is about 64713.1228268270. The cubic root of 4187788266 is about 1611.8634168195.

The spelling of 4187788266 in words is "four billion, one hundred eighty-seven million, seven hundred eighty-eight thousand, two hundred sixty-six".