866076133 has 8 divisors (see below), whose sum is σ = 932960000. Its totient is φ = 799229808.

The previous prime is 866076121. The next prime is 866076143. The reversal of 866076133 is 331670668.

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

It is a de Polignac number, because none of the positive numbers 2^k-866076133 is a prime.

It is a super-3 number, since 3×866076133³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866076143) 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, 54868 + ... + 68866.

It is an arithmetic number, because the mean of its divisors is an integer number (116620000).

Almost surely, 2^866076133 is an apocalyptic number.

It is an amenable number.

866076133 is a deficient number, since it is larger than the sum of its proper divisors (66883867).

866076133 is a wasteful number, since it uses less digits than its factorization.

866076133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18771.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 866076133 is about 29429.1714630229. The cubic root of 866076133 is about 953.2029042090.

The spelling of 866076133 in words is "eight hundred sixty-six million, seventy-six thousand, one hundred thirty-three".