866757405083253 has 8 divisors (see below), whose sum is σ = 1164112135294848. Its totient is φ = 573620472463584.

The previous prime is 866757405083237. The next prime is 866757405083263. The reversal of 866757405083253 is 352380504757668.

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

It is not a de Polignac number, because 866757405083253 - 2⁴ = 866757405083237 is a prime.

It is a super-2 number, since 2×866757405083253² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866757405083263) 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, 1054449397501 + ... + 1054449398322.

It is an arithmetic number, because the mean of its divisors is an integer number (145514016911856).

Almost surely, 2^{866757405083253} is an apocalyptic number.

It is an amenable number.

866757405083253 is a deficient number, since it is larger than the sum of its proper divisors (297354730211595).

866757405083253 is a wasteful number, since it uses less digits than its factorization.

866757405083253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108898795963.

The product of its (nonzero) digits is 1016064000, while the sum is 69.

The spelling of 866757405083253 in words is "eight hundred sixty-six trillion, seven hundred fifty-seven billion, four hundred five million, eighty-three thousand, two hundred fifty-three".