866212483968 has 96 divisors (see below), whose sum is σ = 2684356442040. Its totient is φ = 266526913536.

The previous prime is 866212483963. The next prime is 866212484017. The reversal of 866212483968 is 869384212668.

866212483968 is a `hidden beast` number, since 8 + 6 + 62 + 1 + 2 + 483 + 96 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866212483963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28905046 + ... + 28934997.

Almost surely, 2^866212483968 is an apocalyptic number.

It is an amenable number.

866212483968 is an abundant number, since it is smaller than the sum of its proper divisors (1818143958072).

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

866212483968 is a wasteful number, since it uses less digits than its factorization.

866212483968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57840076 (or 57840061 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 63.

The spelling of 866212483968 in words is "eight hundred sixty-six billion, two hundred twelve million, four hundred eighty-three thousand, nine hundred sixty-eight".