4268666788 has 6 divisors (see below), whose sum is σ = 7470166886. Its totient is φ = 2134333392.

The previous prime is 4268666747. The next prime is 4268666789. The reversal of 4268666788 is 8876668624.

It can be written as a sum of positive squares in only one way, i.e., 2697971364 + 1570695424 = 51942^2 + 39632^2 .

It is a super-3 number, since 3×4268666788³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (4268666789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533583345 + ... + 533583352.

Almost surely, 2^4268666788 is an apocalyptic number.

It is an amenable number.

4268666788 is a deficient number, since it is larger than the sum of its proper divisors (3201500098).

4268666788 is a wasteful number, since it uses less digits than its factorization.

4268666788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067166701 (or 1067166699 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 61.

The square root of 4268666788 is about 65335.0349200182. The cubic root of 4268666788 is about 1622.1739330183.

The spelling of 4268666788 in words is "four billion, two hundred sixty-eight million, six hundred sixty-six thousand, seven hundred eighty-eight".