866337963 has 8 divisors (see below), whose sum is σ = 1155326928. Its totient is φ = 577453824.

The previous prime is 866337929. The next prime is 866337971. The reversal of 866337963 is 369733668.

It is a happy number.

866337963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 866337963 - 2¹³ = 866329771 is a prime.

It is a super-2 number, since 2×866337963² = 1501082932269978738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (866337973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4306 + ... + 41847.

It is an arithmetic number, because the mean of its divisors is an integer number (144415866).

Almost surely, 2^866337963 is an apocalyptic number.

866337963 is a deficient number, since it is larger than the sum of its proper divisors (288988965).

866337963 is a wasteful number, since it uses less digits than its factorization.

866337963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52413.

The product of its digits is 2939328, while the sum is 51.

The square root of 866337963 is about 29433.6196041194. The cubic root of 866337963 is about 953.2989511809.

The spelling of 866337963 in words is "eight hundred sixty-six million, three hundred thirty-seven thousand, nine hundred sixty-three".