866337768 has 56 divisors (see below), whose sum is σ = 2435477250. Its totient is φ = 288777312.

The previous prime is 866337763. The next prime is 866337827. The reversal of 866337768 is 867733668.

866337768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 473584644 + 392753124 = 21762^2 + 19818^2 .

It is a super-2 number, since 2×866337768² = 1501082256526443648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (866337761) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 68443 + ... + 80106.

Almost surely, 2^866337768 is an apocalyptic number.

It is an amenable number.

866337768 is an abundant number, since it is smaller than the sum of its proper divisors (1569139482).

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

866337768 is a wasteful number, since it uses less digits than its factorization.

866337768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148573 (or 148554 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 866337768 is about 29433.6162915806. The cubic root of 866337768 is about 953.2988796564.

The spelling of 866337768 in words is "eight hundred sixty-six million, three hundred thirty-seven thousand, seven hundred sixty-eight".